IP Library Granted Patent US 7,521,153
Granted Patent B2
US 7,521,153 · App. 11/080,722 · Granted Apr 21, 2009

Corrosion protection using protected electron collector

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Quick Facts
Patent No.
US 7,521,153
App. No.
11/080,722
Granted
Apr 21, 2009
Kind
B2
Abstract

A battery comprises a first electrode, a second electrode, an electrolyte, and an electron collector associated with the first electrode, the electron collector having a surface treatment, such as a protection layer, that reduces corrosion of the electron collector by the molten salt electrolyte.

Claims (6)

1. A battery comprising:

a first electrode;

a second electrode;

a molten salt electrolyte; and

an electron collector, the electron collector being substantially aluminum metal and associated with the first electrode,

the electron collector having a protection layer extending between and fully separating the first electrode and the electron collector, the protection layer including an aluminum alloy having a lower aluminum content than the electron collector and reducing corrosion of the electron collector by the molten salt electrolyte.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 19, 2009
From: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
To: TOYOTA MOTOR CORPORATION
Reel/Frame 022846/0307 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 22, 2007
From: TOYOTA TECHNICAL CENTER USA, INC.
To: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
Reel/Frame 019728/0295 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 10, 2006
From: LI, WEN; OYAMA, YUTAKA; KOHAMA, KEIICHI
To: TOYOTA TECHNICAL CENTER USA, INC.; TOYOTA MOTOR CORPORATION
Reel/Frame 017443/0691 →