Chemistry: electrical current producing apparatus – product – and – With heat exchange feature
Patent
1998-06-22
2000-09-05
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
With heat exchange feature
429 94, 429 82, H01M 202, H01M 1004
Patent
active
061140597
ABSTRACT:
A cylinder-shaped secondary battery includes a container, and a rolled electrode. The container includes a cylinder-shaped inner member, a cylinder-shaped outer member, and a pair of ring-shaped end plates. The electrode is accommodated in the container in an electrically insulating manner, rolled spirally, and has a pair of tabs and a hollow formed therein and extending in an axial direction thereof. Moreover, the electrode includes a positive electrode, a negative electrode and a separator disposed between the positive electrode and negative electrode so as to separate them. The inner member of the container has opposite ends and a hollow formed therein and extending in an axial direction thereof, and is disposed in the axially-extending hollow of the electrode. The outer member of the container has opposite ends, and is disposed on a centrifugal side of the electrode. The end plates of the container close the opposite ends of the inner and outer members, and are pierced through by terminals of the battery in an electrically insulating manner. Moreover, the end plates are bonded to the opposite ends of the inner member and/or the outer member by welding. The thus constructed battery has such good heat-radiating ability and high pressure resistance that it can stably carry out its functions.
REFERENCES:
patent: 3490949 (1970-01-01), Deschamps
patent: 4262064 (1981-04-01), Nagle
patent: 5501916 (1996-03-01), Teramoto et al.
Ebine Yoshiaki
Suzuki Ken'ichi
Watanabe Goro
Kabushiki Kaisha Toyota Chuo Kenkyusho
Nuzzolillo Maria
Ruthkosky Mark
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