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Aqueous rechargeable battery

  • US 6,403,253 B1
  • Filed: 03/22/1995
  • Issued: 06/11/2002
  • Est. Priority Date: 02/03/1994
  • Status: Expired due to Term
First Claim
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1. A rechargeable battery comprising:

  • (a) a cathode comprising a first insertion compound with inserted species A, the amount of inserted A increasing on discharge and decreasing on recharge of the battery, wherein A is a member of the group consisting of the alkali metals and alkaline earth metals;

    (b) an anode comprising a second insertion compound with inserted species A, the amount of inserted A decreasing on discharge and increasing on recharge of the battery; and

    (c) an electrolyte comprising a salt of species A dissolved in an aqueous solvent mixture, in a concentration such that both first and second insertion compounds are kinetically stable therein over respctive ranges of inserted A.

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