CN1244967C - Structure improved repeatedly rechargeable large capacity power lithium bottery - Google Patents

Structure improved repeatedly rechargeable large capacity power lithium bottery Download PDF

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Publication number
CN1244967C
CN1244967C CNB031265375A CN03126537A CN1244967C CN 1244967 C CN1244967 C CN 1244967C CN B031265375 A CNB031265375 A CN B031265375A CN 03126537 A CN03126537 A CN 03126537A CN 1244967 C CN1244967 C CN 1244967C
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capacity power
housing
power lithium
core body
lithium battery
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CN1450682A (en
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锺馨稼
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Ray Winston Battery Technology Co ltd
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钟海
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The present invention relates to repeatedly chargeable large capacity power lithium battery which comprises a casing provided with charge exhaust valve, a core body formed by the alternate lamination of membranes and more than two rectangular flaky positive plates and negative plates of a lithium ion battery, and an electrolyte. The present invention is characterized in that the face ends of base boards without coating layers of the positive plate and the negative plate of the core body are arranged in opposite directions; after the face ends of base boards without coating layers of the positive plate and the negative plate are connected by terminals with binding heads in a binding mode, the terminals point to opposite directions; the core body is packaged in a casing filled with an electrolyte, and the terminals at both ends of the core body are led out from both ends of the casing. The lithium battery of the present invention changes the leading out directions of the terminals so as to meet the requirements of different fields and various different loading conditions for operation. The present invention is suitable for a liquid lithium ion battery, a semi-solid lithium ion battery and also for a solid polymer lithium ion battery.

Description

The large-capacity power lithium battery that can charge repeatedly of architecture advances
Technical field
The present invention relates to is the large-capacity power lithium battery that can charge repeatedly, and especially a kind of is the large-capacity power lithium battery that can charge repeatedly of architecture advances.
Technical background
Conventional lithium ion battery is made up of core body and housing, described core body is the takeup type structure, roll after promptly stacking and form by banded positive and negative plate and barrier film, shell is a metal material, if make the lithium ion battery of ampere-hour amounts up to a hundred, roll core body after at first needing tens meters long positive and negative plates and barrier film stacked, also need to make the major diameter metal tube that an energy is inserted above-mentioned core body, because it is many to be distributed on the positive and negative plate guide lug, be difficult to guarantee too much, press too high in adding and cause the safety of battery to discharge and recharge because of the water conservancy diversion lug.The Chinese invention patent application number is that 00101356.4 disclosed " a kind of rechargeable Cr-F-Li solid electrokinetic cell " overcome the defective that takeup type structure Cr-F-Li battery exists, this patent application is the Cr-F-Li battery of conventional winding type structure to be changed system into stack structure fully, that is: will be just, negative plate is all tailored into rectangular-shaped, all just, the negative plate end is just leaving nothing respectively, the real estate of the slurry coating of negative electrode active composition, substrate face end is equipped with guide lug, polylith is just rectangular-shaped, negative plate stacks with interval mode, be equipped with barrier film between each positive/negative plate, the guide lug transmitted beam head bookbinding of each positive plate connects, the guide lug transmitted beam head bookbinding of each negative plate is connected to form the core body of the rectangular shape that stacks structure fully, core body is encapsulated in the rectangular housing corresponding with it to get final product then.This Cr-F-Li solid electrokinetic cell that stacks structure fully both can increase substantially battery capacity, and its manufacturing process simplifies greatly, and cost descends greatly.This battery that stacks structure fully provides reference for other type cell architecture advances.
Summary of the invention
The objective of the invention is deficiency, a kind of large-capacity power lithium battery that can charge repeatedly of architecture advances is provided at above-mentioned takeup type structure lithium ion battery existence.
The large-capacity power lithium battery that can charge repeatedly of architecture advances of the present invention, comprise: be provided with fluid injection exhaust valve housing, alternately stack the core body that constitutes by two above rectangle sheet lithium ion battery positive and negative plates and barrier film, electrolyte, it is characterized in that: the uncoated substrate face end of the positive and negative plate of core body is arranged in the opposite direction, positive and negative plate uncoated substrate face end connects its pole directed in opposite of back by the terminal with binding head bookbinding respectively, core body is encapsulated in and is full of in the electrolyte housing, and the pole at core body two ends is derived from the two ends of housing respectively.
Described housing is made with plastic material or metal material.
The large-capacity power lithium battery design principle of can charging repeatedly of architecture advances of the present invention is identical with above-mentioned disclosed patent application, and its difference is: changed the derivation direction of pole, to satisfy instructions for use under different field, the various different loads condition.The present invention is applicable to liquid lithium ionic cell, semisolid lithium ion battery, also is applicable to the solid polymer lithium ion battery
The concrete structure of the large-capacity power lithium battery that can charge repeatedly of architecture advances of the present invention is provided in detail by the following drawings and embodiment.
Description of drawings
Fig. 1 is the large-capacity power lithium battery structural representation that can charge repeatedly of architecture advances;
Fig. 2 is the core schematic diagram of lithium battery shown in Figure 1;
Fig. 3 is a core body A shown in Figure 2 position structure for amplifying schematic diagram;
Fig. 4 is the positive and negative plate structural representation of core body shown in Figure 2;
Fig. 5 is a fluid injection exhaust structure schematic diagram;
Fig. 6 is that the large-capacity power lithium battery that can charge repeatedly of a plurality of monomer structure improvement is used in combination schematic diagram.
Embodiment
Embodiment: can be clear that from Fig. 1 the large-capacity power lithium battery that can charge repeatedly of architecture advances is made up of housing 1 and lithium ion battery core body 2.Core body 2 is by polylith rectangle sheet positive plate 3 and polylith negative plate 4 and barrier film 5 alternately stacks after two opposite polarity terminal with binding head 6 bookbindings connect and compose (seeing Fig. 2,3).The uncoated substrate face end 31,41 that is positive and negative plate 3,4 is arranged in the opposite direction, and positive and negative plate uncoated substrate face end 31,41 connects its pole directed in opposite of back by terminal with binding head 6 bookbindings respectively.Core body 2 places in the housing 1, the positive and negative pole at core body 2 two ends is derived from housing 1 two ends through hole respectively, terminal with binding head 6 is equipped with thread head, by the threaded engagement on sealing ring 7 and nut 8 and the terminal with binding head 6, the through hole of deriving for terminal with binding head 6 on the closure casing 1, housing 1 is provided with fluid injection vent valve 9, and core body 2 is encapsulated in the housing 1 that is full of electrolyte.
Described positive plate 3 is made (see figure 4) by electrically-conductive backing plate 30 and anodal active slurry 32, electrically-conductive backing plate 30 is rectangle sheet metal aluminum foil or aluminium net or aluminium sheet, anodal active slurry 32 technology routinely is coated in electrically-conductive backing plate 30 two sides, and electrically-conductive backing plate 30 1 ends leave uncoated substrate face end 31.
Described negative plate 4 is made (see figure 4) by electrically-conductive backing plate 40 and negative electrode active slurry 42, electrically-conductive backing plate 40 is rectangle sheet metal copper foil or copper mesh or copper coin, negative electrode active slurry 42 technology routinely is coated in electrically-conductive backing plate 40 two sides, and electrically-conductive backing plate 40 1 ends leave uncoated substrate face end 41.
Described fluid injection vent valve 9 as shown in Figure 5, by the valve seat 91 that has steam vent 90, be arranged on valve block 92, the spring 93 in the valve seat 91 and regulate double-screw bolts 94 and forms, fluid injection vent valve 9 seals with thread fiting mode and is installed on the housing 1.
Described housing adopts plastics PP or PP+PB injection mo(u)lding, housing 1 is formed (see figure 1) by box body 11 and lid 12, lid 12 is provided with screw of installing for fluid injection vent valve 9 and the through hole that stretches out for terminal with binding head 6, and the bottom of box body 11 is provided with through hole and the positioning screw hole that stretches out for terminal with binding head 6.Housing 1 perisporium is a tongue and groove structure 13.The large-capacity power lithium battery that can charge repeatedly that tongue and groove structure 13 on housing 1 perisporium can satisfy a plurality of monomer structure improvement stacks the requirement of ventilation and heat when being used in combination, (see figure 6) after the large-capacity power lithium battery that can charge repeatedly of a plurality of monomer structure improvement stacks combination, each housing 1 perisporium tongue and groove structure 13 formed path 10, the ventilation and heat that helps each monomer lithium ion battery, can charging repeatedly of each monomer structure improvement interconnects with flow guide bar 14 between large-capacity power lithium battery.

Claims (8)

1, a kind of large-capacity power lithium battery that can charge repeatedly of architecture advances, comprise: be provided with fluid injection exhaust valve housing, alternately stack the core body that constitutes by two above rectangle sheet lithium ion battery positive and negative plates and barrier film, electrolyte, it is characterized in that: the uncoated substrate face end of the positive and negative plate of core body is arranged in the opposite direction, positive and negative plate uncoated substrate face end connects its pole directed in opposite of back by the terminal with binding head bookbinding respectively, core body is encapsulated in and is full of in the electrolyte housing, and the pole at core body two ends is derived from the two ends of housing respectively.
2, according to the large-capacity power lithium battery that can charge repeatedly of the described architecture advances of claim 1, it is characterized in that: positive plate (3) is made by electrically-conductive backing plate (30) and anodal active slurry (32), electrically-conductive backing plate (30) is rectangle sheet metal aluminum foil or aluminium net or aluminium sheet, anodal active slurry (32) technology routinely is coated in electrically-conductive backing plate (30) two sides, and electrically-conductive backing plate (30) one ends leave uncoated substrate face end (31); Negative plate (4) is made by electrically-conductive backing plate (40) and negative electrode active slurry (42), electrically-conductive backing plate (40) is rectangle sheet metal copper foil or copper mesh or copper coin, negative electrode active slurry (42) technology routinely is coated in electrically-conductive backing plate (40) two sides, and electrically-conductive backing plate (40) one ends leave uncoated substrate face end (41).
3, according to the large-capacity power lithium battery that can charge repeatedly of claim 1 or 2 described architecture advances, it is characterized in that: fluid injection vent valve (9) is made up of the valve seat that has steam vent (90) (91), the valve block (92), spring (93) and the adjusting double-screw bolt (94) that are arranged in the valve seat (91).
4, according to the large-capacity power lithium battery that can charge repeatedly of claim 1 or 2 described architecture advances, it is characterized in that: housing (1) is made with plastic material or metal material.
5, according to the large-capacity power lithium battery that can charge repeatedly of the described architecture advances of claim 4, it is characterized in that: housing (1) is made up of box body (11) and lid (12), lid (12) is provided with screw of installing for fluid injection vent valve (9) and the through hole that stretches out for terminal with binding head (6), and the bottom of box body (11) is provided with through hole and the positioning screw hole that stretches out for terminal with binding head (6).
6, according to the large-capacity power lithium battery that can charge repeatedly of claim 1 or 2 described architecture advances, it is characterized in that: housing (1) perisporium is tongue and groove structure (13).
7, according to the large-capacity power lithium battery that can charge repeatedly of the described architecture advances of claim 4, it is characterized in that: housing (1) perisporium is tongue and groove structure (13).
8, according to the large-capacity power lithium battery that can charge repeatedly of the described architecture advances of claim 5, it is characterized in that: housing (1) perisporium is tongue and groove structure (13).
CNB031265375A 2003-05-07 2003-05-07 Structure improved repeatedly rechargeable large capacity power lithium bottery Expired - Lifetime CN1244967C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB031265375A CN1244967C (en) 2003-05-07 2003-05-07 Structure improved repeatedly rechargeable large capacity power lithium bottery

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Application Number Priority Date Filing Date Title
CNB031265375A CN1244967C (en) 2003-05-07 2003-05-07 Structure improved repeatedly rechargeable large capacity power lithium bottery

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CN1450682A CN1450682A (en) 2003-10-22
CN1244967C true CN1244967C (en) 2006-03-08

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359749C (en) * 2005-05-16 2008-01-02 钟馨稼 Lithium ion battery of supplying high power output with multiple terminals
WO2006128320A1 (en) * 2005-05-31 2006-12-07 Hingka Chung Lithium-ion batery with multiple poles and large-power output
CN108281701A (en) * 2018-02-01 2018-07-13 合肥国轩高科动力能源有限公司 The soft-package battery module and power battery of samming
CN108336450A (en) * 2018-02-01 2018-07-27 合肥国轩高科动力能源有限公司 The uniform soft-package battery module of heat conduction and power battery

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