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US 2013/0280619 A1Published application
Solid Type Secondary Battery Using Silicon Compound and Method for Manufacturing the Same
OwnerShoji Ichimura, Fukuyo Ichimurainventors
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Abstract
A solid type secondary battery manufactured at low cost and which rarely causes an environmental problem by employing a silicon compound in a positive electrode and a negative electrode, includes silicon carbide having a chemical formula Si2C in a negative electrode 5, silicon nitride having a chemical formula of Si2N3 in a positive electrode 3 and a cationic or anionic nonaqueous electrolyte 4 between the positive electrode 3 and the negative electrode 5.
Claims10
A solid type secondary battery comprising:
- silicon nitride having a chemical formula of Si2N3 as a positive electrode,
- silicon carbide having a chemical formula of Si2C as a negative electrode, and
- a nonaqueous electrolyte, between the positive electrode and the negative electrode, formed of any one of ion exchange resins of polymers selected from the group consisting of a cationic sulfonic acid group (—SO3H), carboxyl group (—COOH), an anionic quaternary ammonium group (—N(CH3)2C2H4OH) and a substituted amino group (—NH(CH3)2) as a binding group,
- wherein, in discharging, at the negative electrode, a silicon cation (Si+) and an electron (e−) are released;
- and, at the positive electrode, a nitrogen molecule (N2) and an oxygen molecule (O2) in the air are chemically bond bonded to the silicon nitride (Si2N3) and the silicon cation (Si+) and the electron (e−) transferred from the negative electrode;
- whereas, in charging, at the negative electrode, a silicon cation (Si+) and an electron (e−) are absorbed;
- and, at the positive electrode, the chemical bond between a nitrogen molecule and an oxygen molecule are broken and the nitrogen molecule and oxygen molecule are released into the air.
4 more elements
A solid type secondary battery comprising:
- silicon nitride having a chemical formula of Si2N3 as a positive electrode,
- silicon carbide having a chemical formula of Si2C as a negative electrode, and
- a nonaqueous electrolyte, between the positive electrode and the negative electrode, formed of an inorganic ion exchange substance selected from the group consisting of tin chloride (SnCl3), zirconium magnesium oxide solid solution (ZrMgO3), zirconium calcium oxide solid solution (ZrCaO3), zirconium oxide (ZrO2), silicon-balumina (Al2O3), monoxide nitrogen silicon carbide (SiCON) and phosphoric acid zirconium silicon(Si2Zr2PO),
- wherein, in discharging, at the negative electrode, a silicon cation (Si+) and an electron (e−) are released;
- and, at the positive electrode, a nitrogen molecule (N2) and an oxygen molecule (O2) in the air are chemically bonded to the silicon nitride (Si2N3) and the silicon cation (Si+) and the electron (e−) transferred from the negative electrode;
- whereas, in charging, at the negative electrode, a silicon cation (Si+) and an electron (e−) are absorbed;
- and, at the positive electrode, the chemical bond between a nitrogen molecule and an oxygen molecule are broken and the nitrogen molecule and oxygen molecule are released into the air.
4 more elements
Dependencies are inferred from the claim text.