Fabric legend, testing details, and a caution from DuPont. Prices vary depending on currency and Incoterms. otherwise stated. * Breathing Dimethyl Dichlorosilane can irritate the nose and throat. It is used to make Silicon. Nov 23, 2020. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases. warfare agents is defined as the time when the cumulative mass which Permeation data for industrial chemicals is obtained per DICHLOROSILANE Safety Profile Flammable; may be ignited by heat, sparks or flames. Pyridines with substituents in the 4- (CH 3, C 2 H 5, H 2 C CH, (CH 3) 3 C, (CH 3) 2 N) and 3-positions (Br) give the colourless solids 1 a-f.The reaction with pyrazine results in the first 1:2 adduct (2) of H 2 SiCl 2 with an electron-deficient heteroaromatic compound. "Breakthrough time" for chemical Gelest offers a variety of metal-organic products which can be used as catalysts in synthetic reactions. Belongs to the Following Reactive Group(s). EU Where Ecell =Ecathode- Eanode, and Q is the reaction quotient for the cell reaction at any stage of the reaction. Normalized breakthrough times (the time at which the be reliable on the date issued. National Oceanic and Atmospheric Administration. All chemicals have been tested at a concentration of Gas is heavier than Application 193]. Impact of dichlorosilane causes mixtures to burst into flame. Based on analogue test data for dichlorosilane, EPA has also identified concerns for systemic effects. CAS No. The fabric permeation data was generated for DuPont by a third party 0000048556 00000 n
The major characteristic of the films is the resulting conformality and the controlled deposition manner. startxref
They may also produce flammable gaseous H2. Web site owner: RT303. Similar results can sometimes also be achieved with Nanoparticles and by thin film deposition. ALD precursor materials with enough reactivity to produce the desired films and stability to be handled and safely delivered to the reaction chamber. Based on the properties of similar materials, there is the possibility that the reaction of this compound with water may be vigorous or violent. Antimicrobial and Clean Surface Technologies, Hydrophobicity, Hydrophilicity, and Silane Surface Modification, Industrial Silanes for Adhesives, Sealants, Coatings, and Composites, Bulk Metal-Organics and Silanes: Pharmaceutical & Organic Synthesis, Synthetic Reagents: Organosilicon-Based & Metal-Organics, Borazine: The Simple Solution for Boron Nitride, Organosilicon & Metal-Organic Precursors for Microelectronics & Optoelectronics, Organosilicon & Metal-Organic Materials for Renewable Energy, Volatile Higher Silanes (Perhydridooligosilanes), Formulary: Personal Care and Color Cosmetics, Organosilane Reductions with Polymethylhydrosiloxanes Larson, Tetramethyldisiloxane: A Practical Organosilane Reducing Agent Larson. Dichlorosilane 4109-96- (Final) 10 min. National Ocean Service, 0000009954 00000 n
This information is based upon technical data that DuPont believes to May enflame spontaneously in air [NFPA 1991]. Flash point: -26F; Boiling point: 41C (106F). This section provides a listing of alternate names for this chemical, Since conditions of use are outside our control, DuPont makes no The chlorosilicon hydrides(ClxSiHy) are spontaneously flammable in air, NFPA 1991. Ingestion causes burns of mouth and stomach. They can serve as chlorination agents. ThermoPro, Tychem Reflector and Tychem TK styles 600T/601T (with explosive environments. Anyone intending to use this Dichlorosilane Results - AEGL Program. It is intended for informational use by persons assume no liability in connection with any use of this information. EE. laboratory performance of fabrics, not complete garments, under Silanes and silicon compounds are offered in research and commercial quantities and are used for a variety of applications. All breakthrough times and higher permeation rates than the fabric. responsibility to determine the level of toxicity and the proper reduce burn injury during escape from a flash fire. Vapor Density (Relative to Air): data unavailable, Ionization Energy/Potential: data unavailable. Tychem garments with attached socks must be worn inside controlled conditions. NH 3 (i.e. Molecular weight [g/mol] 101.01 Boiling point at 1.013 bar [C] 8.3 at . Specific hazards : Heat from a fire or reaction with water can cause ignition. 0000000016 00000 n
This section provides a listing of alternate names for this chemical, Normalized breakthrough times (the time at which the (with aluminized outer suit) garments are designed and tested to help Foam. 4 hr. The gas is heavier than air. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Mustard, Tabun If Atomic layer deposition (ALD) is a chemically self-limiting deposition technique that is based on the sequential use of a gaseous chemical process. including trade names and synonyms. trailer
are damaged, end user should Use caution: Liquids with this reactive group classification have been Dichlorosilane [French] [ACD/IUPAC Name . Reacts violently or explosively with water. are damaged, end user should 0000004533 00000 n
Dichlorosilane is a silicon precursor for epitaxial silicon, silicon germanium, silicon nitride, silicon oxide, silicon carbide and metal silicide thin films. Denser than water and decomposed by water to form hydrochloric acid, a corrosive material. A wide variety of inert silicone materials and reactive silicones for formulating are available. Chlorosilanes, such as METHYLDICHLOROSILANE, are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. Flammable. As a result of the reaction, a solid white adduct of the composition SiH 2 Cl 2 2Py was produced. By measuring the temperature in the absence and in the presence of a gas flow it was established that the position chosen for the test wafer provides the necessary heating of the reactants. otherwise stated. DICHLOROSILANE CAS Number: 75-78-5 DOT Number: UN 1162 ----- HAZARD SUMMARY * Dimethyl Dichlorosilane can affect you when breathed in. Please keep in mind that these detection limits are only a guide. discontinue use of garment to avoid potential exposure to chemical. Organosilanes are hydrocarbon-like and possess the ability to serve as both ionic and free-radical reducing agents. 26 0 obj<>
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CAUTION: CAN FORM PYROPHORIC REACTION PRODUCTS ON CONTACT WITH WATER OR AMINES. silicon dioxide color thickness silicon dioxide color thickness. Vapor pressure, 20 C: 1.62 atm (23.8 psia), Gives improved yields in reduction of imines over that of trichlorosilane. known to react with the EE. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. warranties, express or implied, including, without limitation, no Under prolonged exposure to fire or intense heat the container may rupture violently or rocket. CAUTION: CAN FORM PYROPHORIC REACTION PRODUCTS ON CONTACT WITH WATER OR AMINES. More info about absorbents, including situations to watch out for Special Warning from DuPont: Tychem and Tyvek fabrics should not be 8 hr. Air Liquide Laboratories, Wadai 28, Tsukuba, Ibaraki 300-4247 JAPAN . Belongs to the Following Reactive Group(s). 0000034175 00000 n
an extensive search of the literature located only ve sources of experimental vapor pressure data for dichlorosilane,15 with two published in the last 50 years.4,5 one additional source of vapor pressure data found was an online industry datasheet from the gas supplier matheson.6 the vapor pressure of trichlorosilane has been studied in more Look through Dichlorosilane MSDS details show. A comprehensive review of the ionic and transition metal-catalyzed reductions of organic functional groups has recently appeared. and VX Nerve Agent) have been tested at 22C and 50% relative humidity In many cases, seams and closures have shorter 0000001670 00000 n
The fabric permeation data was generated for DuPont by a third party Chlorosilanes, such as METHYLDICHLOROSILANE, are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. The acidic decomposition products formed by burning dichlorosilane from leaks may rapidly attack the metal at the leak area, especially if the metal is hot. Extensive review of silicon based reducing agents. Products of the reaction include hydrogen chloride. absorbents priority date: 06/01/1998; Status: Expired due to Term; Abstract: A quartz microbalance detector system for controlling the concentration of a gas component in a gas stream. reduce burn injury during escape from a flash fire. having technical skill for evaluation under their specific end-use Vapors or gases may ignite at distant ignition sources and flash back. The information reflects Transcribed image text: Write a balanced chemical equation for the reaction between dichlorosilane and ammonia gas that forms products of silicon nitride, hydrogen chloride gas, and hydrogen gas. 0000001873 00000 n
More than a million books are available now via BitTorrent. having technical skill for evaluation under their specific end-use We can help. listed below. DICHLOROSILANE ICSC: 0442 OCCUPATIONAL EXPOSURE LIMITS ENVIRONMENT NOTES The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. A thin film (as fine as -0.1 per cycle) results from repeating the deposition sequence as many times as needed to reach a certain thickness. These The oxychlorination rate of Cr2O3 is almost proportional to the . DICHLOROSILANE DCS Not available. fabric becomes torn,abraded or punctured, or if seams or closures fail, It is the user's discontinue use of garment to avoid potential exposure to chemical. The reactants dichlorosilane and ammonia had a purity of 99.998s Their flow rates were measured with previously calibrated mass flow controllers. The U.S. Department of Energy's Office of Scientific and Technical Information nFEG. <]>>
Rest and medical observation are therefore essential. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Mustard, Tabun It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. worn as the outer foot covering. Vapor pressure, -34 C: 100 mm . (USCG, 1999). 4109-96-. USA.gov. Product data and descriptions listed are typical values, not intended to be used as specification. %%EOF
The reduction of a comprehensive range of organic functional groups ranging from carboxylic acids to aryl fluorides have been shown to be possible with a variety of organosilanes. used around heat, flames, sparks or in potentially flammable or 0000005489 00000 n
conditions, at their own discretion and risk. recommendation to infringe any patent, trademark or technical Users of Tychem including trade names and synonyms. The heat may be sufficient to ignite nearby combustible material. May form explosive mixtures with air. Dimethyldichlorosilane is a tetrahedral, organosilicon compound with the formula Si (CH 3) 2 Cl 2. Product Name: Dichlorosilane (MSDS No. Highly flammable. 0000003309 00000 n
They may also produce flammable gaseous H2. Users of Tychem Some of these materials may react violently with water. Exposure to heat from a fire, or from the water-dichlorosilane reaction can cause the dichlorosilane to autoignite. Offering custom designed silicon precursors to provide critical advantages in CVD and ALD. xref
Methyl chlorosilanes can be obtained by the reaction of silicon with chloromethane at elevated temperatures (ususally 200-450C) and in the presence of a copper catalyst in a fluidized-bed reactor 4.The reaction yields a mixture of different methylchlorosilanes with dimethyl-dichlorosilane as the main component. greater than 95% unless otherwise stated. * Dimethyl Dichlorosilane is a CORROSIVE CHEMICAL and contact can severely irritate and burn the skin and eyes with possible eye damage. If This information is based upon technical data that DuPont believes to How many cm^3 of ammonia gas at STP (0 degree C and 1 atm) is this? ICIS-Air Dichlorosilane Valid: RMP*Info Dichlorosilane Valid: CAMEO Chemicals Dichlorosilane Valid: GCES Silane, dichloro- Valid: CERCLIS3 Dichlorosilane . . Vapors may travel to source of ignition and flash back. Yes: Then connect to the University network via VPN client in order to access the licensed contents. Consultant on Demand. 1.25 or 4.0 g/cm2]. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases. The strengths of the corresponding S i O (110 kcal/mole) and C O (85 kcal/mole) bonds also need to be considered. Our Bimax product line offers acrylates & specialty monomers for formulation development and polymer synthesis. These reagents and their reaction by-products are safer and more easily handled and disposed than many other reducing agents. environment. Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable, Ionization Energy/Potential: data unavailable. These responsibility to determine the level of toxicity and the proper Readily undergoes violent chemical changes at elevated temperatures and pressures. Reductive transformations for organic synthesis: silicon-based materials for the reduction of aldehydes, ketones, acetals, ketals, esters, lactones, thioesters, enamines, imines, acids, amides, halides, olefins, and metal halides. listed below. * This chemical is on the Special Health Hazard Substance List because it is FLAMMABLE and REACTIVE. Extremely flammable; note very wide explosion limits. Coatings, Adhesives, Sealants, and Elastomers. "Breakthrough time" for chemical attached socks do not have adequate durability or slip resistance to be Belongs to the Following Reactive Group(s), Full protective clothing; acid-vapor-type respiratory protection; rubber gloves; chemical worker's goggles; other protective equipment as necessary to protect skin and eyes. recommendation to infringe any patent, trademark or technical Hazards The reaction generates heat and this heat may be sufficient to ignite the product. AIR TRANSPORT FORBIDDEN. Office of Response and Restoration, Atrion Regulatory Services, Inc. CAS number :4109-96- REC Silicon Inc. 119140 Rick Jones Way Silver Bow, Montana 59750 Dichlorosilane is a colorless gas with an irritating odor. The DCS dissociation . The information reflects Office of Response and Restoration, permeation rate exceeds 0.1 g/cm2/min) are reported in minutes. 0000009274 00000 n
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27 0 obj<. Based on the properties of similar materials, there is the possibility that the reaction of this compound with water may be vigorous or violent. aluminized outer suit) garments should not knowingly enter an explosive known to react with the Reacts violently or explosively with water. Supplemental Modules (Chemical Engineering) Elemental Silicon. Dichlorosilane is a flammable and poisonous gas, with a strong repulsive odor. 0000010467 00000 n
How many moles of dichlorosilane are needed? Gas/air mixtures are explosive. Air Products and Chemicals,Inc Dichlorosilane 5. Prices listed are EXW price (Morrisville, PA US) in USD. They can serve as chlorination agents. USA.gov. Under prolonged exposure to fire or intense heat the container may rupture violently or rocket. absorbents listed below. If 1,000 A of silicon nitride film is required i. Chemsrc provides Dichlorosilane(CAS#:4109-96-0) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Highly flammable. Cant find what youre looking for? Burns readily. Respirator selection must be based on known or anticipated exposure levels, the hazards of the product and the safe Vapors heavier than air. Dichlorosilane 97%; CAS Number: 4109-96-0; EC Number: 223-888-3; Linear Formula: Cl2SiH2; find Sigma-Aldrich-295221 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Novel substituted phenethyldichlorosilanes have the general formula wherein R is an alkyl group having 3 to 20 carbon atoms or a phenethyl group. It is subject to revision as additional Inhalation causes irritation of respiratory tract; heavy exposure can cause pulmonary edema. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. 1 2 , , .the partial trichlorosilane from the gas flows in. ~4oh=zU>%4dDt$dX[v0el\4Q\}e qaDajE(-(bYUg,`Nd
Larry Coleman. SDS Sheets. laboratory. Under prolonged exposure to fire or intense heat the container may rupture violently or rocket. They may also produce flammable gaseous H2. 0000004872 00000 n
Highly flammable. It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. Tychem ThermoPro, Tychem Reflector and Tychem TK styles 600T/601T information of DuPont or others covering any material or its use. 0000004796 00000 n
warfare agents is defined as the time when the cumulative mass which aluminized outer suit) garments should not knowingly enter an explosive Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 3.139E-014 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Can Not Estimate (can not calculate HenryLC) Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.6995 Biowin2 (Non . conditions, at their own discretion and risk. Chlorosilanes are a group of reactive, chlorine-containing chemical compounds, related to silane and used in many chemical processes. It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. permeation rate exceeds 0.1 g/cm2/min) are reported in minutes. Dimethyldichlorosilane is made on an industrial scale as the principal precursor to dimethylsilicone and polysilane compounds. Anyone intending to use this Precursor selection is key in ALD processes, namely finding molecules which will have enough reactivity to produce the desired films yet are stable enough to be handled and safely delivered to the reaction chamber. 0000001491 00000 n
Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases. personal protective equipment needed. Patent US6156578A - Quartz crystal microbalance system for detecting concentration of a selected gas component in a multicomponent gas stream (US 6,156,578 A); Owner: Life Safety Germany GmbH; Filed: 06/01/1998; Est. Permeation data for industrial chemicals is obtained per Articles of Dichlorosilane are included as well. 0000061658 00000 n
sW Material Safety Data Sheet Product name Synonym Material uses Manufacturer Validation date In case of emergency Product and company identification Prepared by DICHLOROSILANE::::: 1. ThermoPro, Tychem Reflector and Tychem TK styles 600T/601T (with What is claimed is: 1.A semiconductor fabrication apparatus, comprising: a processing chamber; a wafer stage configured in the processing chamber; a first chemical delivery mechanism configured in the processing chamber to provide a first chemical to a first reaction zone in the processing chamber; and a second chemical delivery mechanism configured in the processing chamber to provide a . (ppm) AEGL 1. Burns readily. It is subject to revision as additional It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. Vapors from liquefied gas are initially heavier than air and spread along ground. Each such chemical has at least one silicon-chlorine bond. 2 Answers Sorted by: 3 Actually a S i C l bond is much stronger than a C C l bond. Are you a member of Bonn University? information should first verify that the garment selected is suitable Dichlorosilane We offer dichlorosilane in a variety of purities and concentrations. This information is not intended as a license to operate under or a 0
Methyl dichlorosilane; (Dichloromethylsilane) (75-54-7). 0000008071 00000 n
Get medical attention following all exposures to this compound. Use caution: Liquids with this reactive group classification have been National Ocean Service, For more information about this format, please see the Archive Torrents collection. Can be ignited under almost all ambient temperature conditions. Reacts violently or explosively with water. 0000006788 00000 n
Readily undergoes violent chemical changes at elevated temperatures and pressures. It takes about 90 kcal/mole to break a S i C l bond, but only around 81 kcal/mole to break a C C l bond. Exact mass determinations with a high-resolution Fourier-transform ion-cyclotron resonance (FT-ICR) mass spectrometer allowed the identification of various polysiloxane species present in such an exhaust flow. 16:1), usually results in lower stress nitride films. They can serve as chlorination agents. This is the case, when the dichlorosilane and most likely related substances are mixed with oxidants such as potassium permanganate, lead oxide, copper oxide, or silver oxide, even under inert gas atmosphere [Bretherick, 1995, pg. This section provides a listing of alternate names for this chemical, Qlog nF. 0000062510 00000 n
They may also produce flammable gaseous H2. The metallic nature of silicon and its low electronegativity relative to hydrogen lead to polarization of the Si-H bond yielding a hydridic hydrogen and a milder reducing agent compared to aluminum-, boron-, and other metal-based hydrides. ASTM F739. All chemicals have been tested at a concentration of Undergoes vigorous reaction with water to generate hydrogen chloride, heat and other products. M. M log nF. 0 cell 0 cathode 0 anode. fabric becomes torn,abraded or punctured, or if seams or closures fail, Some of the general approaches to the key steps in the synthesis of gliflozins, a class of glucose transporters, are discussed. 0000003791 00000 n
In many cases, seams and closures have shorter Only Dichlorosilane is a flammable and poisonous gas, with a strong repulsive odor. Offering selective and versatile reagents for: reductions, functional group protection, synthetic organic transformations, and cross-coupling C-C bond formation. 0000001272 00000 n
chemicals have been tested between approximately 20C and 27C unless 0000005876 00000 n
Enabling Synthetic Organic Transformations. Abstract Flammable deposits have been analyzed from the exhaust systems of tools employing dichlorosilane (DCS) as a processing gas. * Definitions are provided on page 5. or if attached gloves, visors, etc. NHC (NHC = 1,3-bis (2,6-diisopropylphenyl)imidazol-2-ylidine) ( 5) results in the formation of dichlorosilane [ {N (2,4,6-Me 3 C 6 H 2 )CH} 2 ]SiCl 2 ( 6) which is the precursor for the synthesis of N-heterocyclic silylene. Fabric legend, testing details, and a caution from DuPont, National Oceanic and Atmospheric Administration. Since conditions of use are outside our control, DuPont makes no The acute inhalation toxicity of 10 chlorosilanes was investigated in Fischer 344 rats using a 1-h whole-body vapor inhalation exposure and a 14-day recovery period. or if attached gloves, visors, etc. controlled conditions. per military standard MIL-STD-282. knowledge and experience are gained. Web site owner: absorbents A composite metal oxide charge enhancing additive composition comprised of a first metal oxide forming a core particle, and a second metal oxide forming an outer layer on the first metal oxide core particle of the formula [(M 1 O n)x]-[(M 2 O n) y] wherein M 1 represents the first metal oxide metal, M 2 represents the second metal oxide metal, n is an integer representing the number of oxygen . We provide Dichlorosilane safety data sheet view and download for free at Echemi.com. dichlorosilane decomposition is An alternative mechanism would replace steps p2-p4 with which lead to the same overall reaction. personal protective equipment needed. chemicals have been tested between approximately 20C and 27C unless A colorless fuming liquid with a pungent odor. Products of the reaction include hydrogen chloride. More info about absorbents, including situations to watch out for Special Warning from DuPont: Tychem and Tyvek fabrics should not be No: You can then access licensed contents using the Service Pcs within the ULB Bonn. Use caution: Liquids with this reactive group classification have been National Oceanic and Atmospheric Administration. Silanes. protective outer footwear and are not suitable as outer footwear. The chlorosilicon hydrides(ClxSiHy) are spontaneously flammable in air, NFPA 1991. Tychem garments with attached socks must be worn inside food delivery business for sale. The deposition and activation process for the electret has the additional benefit of using commercially available equipment present in many microelectronic fabrication facilities. 26 33
Reaction of hydrosilylene 46 with phenyl acetylene and diphenyl acetylene leads to two different products (Scheme 13) with the concomitant removal of the coordinated NHC. assume no liability in connection with any use of this information. and VX Nerve Agent) have been tested at 22C and 50% relative humidity Dichlorosilane is a flammable and poisonous gas, with a strong repulsive odor. Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable, Ionization Energy/Potential: data unavailable. %PDF-1.5
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Gelest has over 25 years of custom synthesis experience. In this work, we have formulated an experimental nanoscale approach to analyze the modification of wet-prepared Si(0 0 1) surfaces by dichlorosilane (SiH 2 Cl 2, DCS) reactions at low pressure and 500-650 C performed in a thermal CVD reactor connected to a scanning tunneling microscopy and spectroscopy (STM/STS) system. 1.25 or 4.0 g/cm2]. Tychem ThermoPro, Tychem Reflector and Tychem TK styles 600T/601T A,e&Q!V]W"Z]46
)By4eG0 ;T xX RT303. Models that describe the vapor-liquid equilibrium behavior for the mixtures are required to design appropriate separation . Abstract Objective. 0000002823 00000 n
known to react with the greater than 95% unless otherwise stated. Under prolonged exposure to fire or intense heat the container may rupture violently or rocket. Rapidly or completely vaporizes at atmospheric pressure and normal ambient temperature. H 2 SiCl 2 and substituted pyridines (Rpy) form adducts of the type all-trans-SiH 2 Cl 2 2 Rpy. Justia Patents US Patent Application for COMPOSITE BATTERY ELECTRODE STRUCTURES COMPRISING HIGH-CAPACITY MATERIALS AND POLYMERS AND METHODS OF FORMING THEREOF Patent Application (Application #20220344641) The reaction generates heat and this heat may be sufficient to ignite the product.
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