Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1993-07-27
1995-03-07
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429218, H01M 614
Patent
active
053957113
ABSTRACT:
A non-aqueous electrolyte secondary battery has a negative electrode, a positive electrode and a lithium ion-conductive non-aqueous electrolyte. A silicon oxide or a silicate containing lithium is used as the negative electrode active material. The potential of the negative electrode active material is low, the charge and discharge capacity in a base potential region of 0-1 V with respect to metallic lithium is large, and the polarization (internal resistance) during charge and discharge is small. A secondary battery having a high voltage and a high energy density is obtained in which large current charge and discharge characteristics are facilitated, the deterioration due to excessive charge and excessive discharge is reduced, the cycle life is long and the reliability is high.
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Ishikawa Hideki
Iwasaki Fumiharu
Sakai Tsugio
Sakata Akifumi
Tahara Kensuke
Adams Bruce L.
Seiko Electronic Components Ltd.
Seiko Instruments Inc.
Skapars Anthony
Wilks Van C.
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