Lithium battery cell, lithium battery and preparation methods thereof

A lithium battery and cell technology, which is applied in the manufacture of electrolyte batteries, electrode carriers/current collectors, non-aqueous electrolyte batteries, etc., can solve the problems of low operating voltage, uneven current and heat distribution of the current collector, etc. , Reduce the difficulty, the effect of large area

Pending Publication Date: 2019-06-25
成都大超科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to overcome the problems of low working voltage, charging or discharging power, collector current and heat distribution and unevenn

Method used

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  • Lithium battery cell, lithium battery and preparation methods thereof
  • Lithium battery cell, lithium battery and preparation methods thereof
  • Lithium battery cell, lithium battery and preparation methods thereof

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Embodiment Construction

[0066] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0067] see figure 1 with figure 2 , In the first embodiment of the present invention, a lithium battery cell 100 is provided, and the lithium battery cell 100 includes a first current collector 101, a negative electrode layer 102, an electrolyte layer 103, a positive electrode layer 104 and a second stacked in sequence. Two current collectors 105 . A collector structure 106 is provided on the surface of the first collector 101 and the second collector 105 away from the electrolyte layer 103 . The current collector structure 106 includes conductive contacts 1061 and / or grid line...

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Abstract

The invention relates to the field of lithium batteries, in particular to a lithium battery cell, a lithium battery and preparation methods thereof. The lithium battery cell comprises a first currentcollector, a negative electrode layer, an electrolyte layer, a positive electrode layer and a second current collector stacked in turn. Conductive contacts and/or grid lines are uniformly arranged onthe first current collector and the second current collector. The lithium battery comprises one or more lithium battery cell units stacked in turn, every two adjacent lithium battery cell units sharea positive-negative common-electrode current collector, and the lithium battery cell units are connected in series. Through PVD and a coating process in the preparation methods of the lithium batterycell and the lithium battery, the layers of the lithium battery cell are sequentially and densely stacked and connected in series, and the lithium battery cell units of the lithium battery are sequentially and densely stacked and connected in series. The lithium battery cell or the lithium battery in the technical scheme of the invention has the advantages of high working voltage, high charging ordischarging efficiency, long service life and large-area preparation.

Description

【Technical field】 [0001] The invention relates to the field of lithium batteries, in particular to a lithium battery cell, a lithium battery and a packaging method thereof. 【Background technique】 [0002] Lithium battery technology has achieved great success in the field of consumer electronics due to its advantages such as high energy density, long cycle life, and low self-discharge rate, and is considered to be an ideal solution for power sources and large-scale energy storage for electric vehicles. [0003] At present, the basic constituent units in lithium battery cells are generally connected to each other in parallel, and the parallel working current of each basic constituent unit in the cell flows in / out through the positive and negative electrode layer ears. The above-mentioned connection method has a low working voltage. In order to increase the charging or discharging power, it is often necessary to increase the working current. The high working current will speed ...

Claims

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Application Information

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IPC IPC(8): H01M10/058H01M4/70H01M4/75
CPCY02E60/10Y02P70/50
Inventor 张晓琨
Owner 成都大超科技有限公司
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