AN ELECTRODE ROLL, AN ELECTRODE DISC AND A CYLINDRICAL SECONDARY CELL

AN ELECTRODE ROLL, AN ELECTRODE DISC AND A CYLINDRICAL SECONDARY CELL

This disclosure presents an electrode roll (10) for a secondary cell (100) comprising a liquid electrolyte, the electrode roll (10) comprising an electrically conductive sheet (1) rolled (Γ) along its longitudinal axis (X) to form the electrode roll (10). The electrically conductive sheet (1) compri...

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1. Verfasser: Makino, Tetsuya
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator Makino, Tetsuya
description This disclosure presents an electrode roll (10) for a secondary cell (100) comprising a liquid electrolyte, the electrode roll (10) comprising an electrically conductive sheet (1) rolled (Γ) along its longitudinal axis (X) to form the electrode roll (10). The electrically conductive sheet (1) comprises a coated portion (2) provided with an electrode coating to form a positive or a negative electrode, and a contact portion (3) protruding from the coated portion (2) and bent (3') to form an electrical contact surface (11) at an end surface of the electrode roll (10). The contact portion (3) does not extend along the entire length of the electrically conductive sheet (1), the electrical contact surface (11) is annular in shape and only forms a part of the end surface (13) of the electrode roll (10), and the electrical contact surface (11) forms 30 to 80 percent of the end surface (13) of the electrode roll (10). An electrode disc (20) is also presented.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title AN ELECTRODE ROLL, AN ELECTRODE DISC AND A CYLINDRICAL SECONDARY CELL
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