MANUFACTURE OF COIN FORM LITHIUM SECONDARY BATTERY

MANUFACTURE OF COIN FORM LITHIUM SECONDARY BATTERY

PURPOSE:To prevent a negative electrode of a coin type lithium secondary battery from curving when aluminum and lithium are turned into alloy by forming the negative electrode from an aluminum plate and a lithium plate, and controlling the thickness ratio of the aluminum plate to the lithium plate....

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Hauptverfasser: YAMAMOTO KOHEI, HARADA YOSHIRO, TANAKA HIDETOSHI, KITAKATA MASAKAZU
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator YAMAMOTO KOHEI
HARADA YOSHIRO
TANAKA HIDETOSHI
KITAKATA MASAKAZU
description PURPOSE:To prevent a negative electrode of a coin type lithium secondary battery from curving when aluminum and lithium are turned into alloy by forming the negative electrode from an aluminum plate and a lithium plate, and controlling the thickness ratio of the aluminum plate to the lithium plate. CONSTITUTION:A current collecting net 2 of stainless steel etc., is provided previously at the inner bottom surface of a negative electrode case 1 in a consolidated structure. To this net 2, an aluminum plate 3 embodied in pellet form is attached by press with a pressure of 3t, and thereover a lithium plate 4 embodied in pellet form is attached by press with a pressure of 20kg. The thickness of the aluminum plate 3 is between 1.3-5 times as large as that of the lithium plate 4.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title MANUFACTURE OF COIN FORM LITHIUM SECONDARY BATTERY
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