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Lithium-ion cell

A lithium-ion battery, electrical insulation technology, applied in secondary batteries, battery pack components, secondary battery manufacturing, etc., can solve problems such as difficult temperature management conditions, and achieve improved efficiency, simple insulation, and high volume energy density. Effect

Active Publication Date: 2020-03-24
ROBERT BOSCH GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Likewise, the uncertain state of heat transfer within a Li-ion battery leads to more difficult conditions for temperature management of individual cells, components, and entire battery packs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] figure 1 A cross-sectional view of a first embodiment of a lithium-ion battery 10 according to the invention is shown. figure 2 show figure 1 Detailed view of region II of Li-ion battery 10.

[0028] Lithium-ion battery 10 includes a case lid, a case bottom 20, an alternating plurality of cathode and anode faces 50-55, one or more separators, and an electrolyte (eg, a solid state electrolyte). The housing bottom 20 and the housing cover 30 together enclose a cavity 45 . The cathode and anode faces 50 - 55 are arranged in the cavity 45 . The cathode side is electrically connected to the housing cover 30 and the anode side is electrically connected to the housing bottom 20 . Alternatively, the anode side is electrically connected to the housing cover 30 and the cathode side is electrically connected to the housing bottom 20 .

[0029] Lithium ion battery 10 has a substantially rectangular parallelepiped shape with rounded corners.

[0030] figure 1 Not shown, the ...

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PUM

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Abstract

The invention proposes a lithium-ion cell (10), comprising a plurality of cathode planes and anode planes, wherein the cathode planes and anode planes (50-55) are arranged substantially parallel in relation to one another and extend substantially perpendicularly in relation to a first direction (70), a housing base (20), and a housing cover (30) which is arranged in a manner electrically insulatedfrom the housing base (20), wherein the housing base (20), together with the housing cover (30), encloses a hollow space (45) in which the cathode planes and anode planes (50-55) are arranged, characterized in that the housing cover (30) can be moved in the first direction (70) relative to the housing base (20) for the purpose of increasing the size and reducing the size of the hollow space (45).

Description

technical field [0001] The invention relates to a lithium ion battery comprising a plurality of anode and cathode faces. Background technique [0002] Lithium-ion batteries, such as are also used in battery packs in the automotive industry, are presented in various embodiments. One type of lithium-ion battery is the so-called nutshell cell. Traditionally, this type has also been referred to as a "button battery". The larger the volume, the greater the energy and power content, and the principle of the shell type is also applicable in the automotive field. As is the case in conventional coin cells, here the two half-shells represent the anode and cathode conductance. Inside the battery casing, the individual layers of anode foil (current collector and active material), cathode foil (current collector and active material), separator and (solid-state) electrolyte are stacked on top of each other. The anode foils connected together form the negative pole, while the cathode f...

Claims

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Application Information

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IPC IPC(8): H01M2/02H01M10/04H01M10/0525H01M10/0585
CPCH01M10/0427H01M10/0525H01M10/0585Y02E60/10H01M50/109Y02P70/50
Inventor 克里斯托夫·沃尔马蒂亚斯·库拉施贝恩德·迪特默索斯藤·施奈德弗洛里安·贝斯勒亚历山大·施密特塔利布·扬拜恩米夏埃尔·甘塞默格尔·勒恩
Owner ROBERT BOSCH GMBH
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