Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2006-07-18
2006-07-18
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S309000, C429S314000, C429S317000, C429S322000, C429S303000, C429S300000, C252S062200
Reexamination Certificate
active
07078131
ABSTRACT:
A polymeric sol electrolyte including a sol-forming polymer and an electrolytic solution consisting of a lithium salt and an organic solvent. Use of the polymeric sol electrolyte allows problems such as swelling or leakage to be overcome, compared to the case of using a liquid-type electrolytic solution. Also, the polymeric sol electrolyte has better ionic conductivity than a polymeric gel electrolyte. In addition, when the lithium battery according to the present invention is overcharged at 4.2 V or higher, an electrochemically polymerizable material existing in the polymeric sol electrolyte is subjected to polymerization to prevent heat runaway, which simplifies a separate protection circuit, leading to a reduction in manufacturing cost.
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Samsung SDI & Co., Ltd.
Stein, McEwen & Bui LLP
Weiner Laura
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