CN202817125U

CN202817125U - Battery

Info

Publication number: CN202817125U
Application number: CN201220195977XU
Authority: CN
Inventors: 高立海; 蒋日超; 范健权; 王宗民
Original assignee: WEIFANG TAIJI NEW ENERGY TECHNOLOGY CO LTD
Current assignee: Shandong Taiji Amperex Technology Limited
Priority date: 2012-05-02
Filing date: 2012-05-02
Publication date: 2013-03-20
Anticipated expiration: 2022-05-02

Abstract

The utility model provides a battery. The battery comprises a housing, a charge-discharge device, a positive pole terminal and a negative pole terminal, wherein the charge-discharge device comprises a positive pole piece, a negative pole piece and a separator, wherein the positive pole piece comprises a positive pole base body and a positive pole slurry layer constituted by a positive pole material, a conductive agent, a solvent and a bonding agent; the negative pole piece comprises a negative pole base body and a negative pole slurry layer constituted by a negative pole material, the conducive agent, the solvent and the bonding agent; and the positive pole piece is wrapped in the charge-discharge device through the separator, and the separator is wrapped in the charge-discharge device through the negative pole piece. The battery disclosed by the utility model can improve the performances of the battery to a great extent, still keep the capacity which is almost the same with the original capacity after performing charge and discharge multiple times and avoid the possible problem of firing or explosion of the battery after multiple charges and discharges.

Description

A kind of battery

Technical field

The utility model relates to field of batteries, refers to especially a kind of mine lamp battery.

Background technology

Battery refers to fill electrolyte solution and metal electrode with the segment space of cup, groove or other containers or the clad vessel of generation current.Along with the progress of science and technology, the battery general reference can produce the midget plant of electric energy, such as solar cell; The performance parameter of battery mainly contains electromotive force, capacity, specific energy and resistance.

Mine lamp is a particularly important instrument in the work of exploitation mineral, battery is the core drive parts of mine lamp, so the quality of battery is directly connected to the normal service life of whole mine lamp, existing mine lamp is little with battery capacity, and in long-time use procedure, after repeatedly discharging and recharging, the capacity of whole battery can reduce greatly, reduces the service time of mine lamp; Along with the number of times that discharges and recharges increases, cause possibly on fire or blast.

The utility model content

The utility model proposes a kind of battery, having solved battery of the prior art increases with discharging and recharging number of times, and capacity reduces, and may cause problem on fire or blast.

The technical solution of the utility model is achieved in that

A kind of battery comprises:

Housing; And charge and discharge device in the described housing is set;

Described charge and discharge device comprises: be used for charging and discharging positive plate, be used for the negative plate of charging and discharging and be arranged on positive plate and negative plate between, be used for the barrier film of isolating described positive plate and described negative plate and the electronics in the described housing can not be passed freely through;

Described positive plate comprises: anodal matrix and anode sizing agent layer;

Described negative plate comprises: negative pole matrix and cathode size layer;

One end is arranged on described enclosure interior and is connected with described positive plate, and the other end passes described housing and is arranged on described outside, is used for the positive terminal that is connected with external electric equipment;

One end is arranged on described enclosure interior and is connected with described negative plate, and the other end passes described housing and is arranged on described outside, is used for the negative terminal that is connected with external electric equipment;

Described barrier film is wrapped in inside with described positive plate, and described negative plate is wrapped in inside with described barrier film.

Further, described housing is specially aluminium casing.

Further, described anodal matrix is specially the anodal matrix of aluminum; Described negative pole matrix is specially the negative pole matrix.

Further, be arranged in the described housing after 3 parallel connections of described charge and discharge device.

The battery of technical solutions of the utility model by using special material and special construction to be made can improve to a great extent battery and still can keep the capacity very nearly the same with existing capacity after repeatedly discharging and recharging; And because special material and the special construction of described charge and discharge device can avoid battery that problem on fire or blast may occur behind the electricity of repeatedly resetting.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the structural representation of a kind of battery of the utility model;

Fig. 2 is the structural representation of a kind of battery vertical view of the utility model.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.

As depicted in figs. 1 and 2, a kind of battery comprises:

Housing 1; And charge and discharge device in the described housing 1 is set;

Described charge and discharge device comprises: be used for charging and discharging positive plate, be used for the negative plate of charging and discharging and be arranged on positive plate and negative plate between, the barrier film that is used for isolating described positive plate and described negative plate and the electronics in the described housing 1 can not be passed freely through;

Described positive plate comprises: the conductive agent that anodal matrix and the positive electrode of being made by LiFePO4, superconduction carbon black are made, solvent and the anode sizing agent layer that is comprised of the binding agent that polyvinylidene fluoride is made;

Described negative plate comprises: the conductive agent that negative pole matrix and the negative material of being made by graphite, superconduction carbon black are made, solvent and the cathode size layer that is comprised of the binding agent that polyvinylidene fluoride is made;

One end is arranged on described housing 1 inside and is connected with described positive plate, and the other end passes described housing 1 and is arranged on described housing 1 outside, is used for the positive terminal 2 that is connected with external electric equipment;

One end is arranged on described housing 1 inside and is connected with described negative plate, and the other end passes described housing 1 and is arranged on described housing 1 outside, is used for the negative terminal 3 that is connected with external electric equipment;

Embodiment 1: described charge and discharge device comprises, positive plate, negative plate and barrier film, with described positive plate as on the described barrier film, with described membrane winding, reach described positive plate is wrapped in the described barrier film, it is peripheral that described negative plate is arranged on described barrier film, and described negative plate is reeled, until described barrier film and described positive plate are wrapped in wherein fully, discharge and recharge by described positive plate and described negative plate; Described positive plate comprises: described anodal matrix and described anode sizing agent layer, and described anode sizing agent layer evenly is coated in described anodal outer surface of matrix; Described negative plate comprises: described negative pole matrix and described cathode size layer, and described cathode size layer evenly is coated in described negative pole outer surface of matrix; By described barrier film described positive plate and described negative plate are separated, and prevent that the electronics in the described housing 1 from passing freely through; Described electrolyte is arranged in the described housing 1, participates in the chemical reaction of described housing 1 inside and conducts electricity by described electrolyte; Described positive terminal 2 one ends are arranged in the described housing 1, and are connected with described positive plate, and described negative terminal 3 one ends are arranged in the described housing 1, and are connected with described negative plate, and the other end passes described housing 1 and is placed on described housing 1 outside; After setting is finished like this, use the 3C10V over-charge test, described battery is not on fire not to explode; By the capacity circulating test, described battery is behind cycle charge-discharge 2000 times, and the capacity of described battery is still greater than 80% of raw capacity.

Embodiment 2: described positive plate is comprised of anodal matrix and anode sizing agent layer in the present embodiment, described anode sizing agent layer specifically cooperates solvent to process by positive electrode, conductive agent and binding agent in the present embodiment, described positive electrode preferably uses LiFePO4 in the present embodiment, be chemical reaction and the conductance that improves described positive plate, described conductive agent can be the superconduction carbon black, it also can be electrically conductive graphite, or the mixture of superconduction carbon black and electrically conductive graphite, described conductive agent preferably uses the superconduction carbon black in the present embodiment; For strengthening the resistance to chemical corrosion of described anodal matrix, described binding agent preferably uses polyvinylidene fluoride; Described negative plate is comprised of negative pole matrix and cathode size layer, described cathode size layer specifically cooperates solvent to process by conductive agent and binding agent in the present embodiment, described positive electrode can be graphite or Delanium, preferably use in the present embodiment graphite, be chemical reaction and the conductance that improves described positive plate, described conductive agent can be the superconduction carbon black, it also can be electrically conductive graphite, or the mixture of superconduction carbon black and electrically conductive graphite, specifically can decide according to actual conditions, described conductive agent preferably uses the superconduction carbon black in the present embodiment; For strengthening the resistance to chemical corrosion of described anodal matrix, described binding agent preferably uses polyvinylidene fluoride.

Further, described housing 1 is specially aluminium casing 1.

For increasing process industrial art performance, reduce the described housing 1 of manufacturing cost and be specially aluminium casing 1; Described anodal matrix is specifically made by aluminum material; described negative pole matrix is specifically made by copper material; because use aluminium and copper can reduce manufacturing cost; but mainly be because the current potential of aluminium is higher than the current potential of copper; in use the surface of aluminium and copper can both form one deck oxide film, and aluminium oxide layers is very fine and closely woven, so positive electrode potential height can prevent described plus plate current-collecting body oxidation; and the copper oxide layer is loose, can prevent described negative current collector oxidation so the negative pole current potential is low.

Further, be arranged in the described housing 1 after 3 parallel connections of described charge and discharge device.

Described charge and discharge device can use simultaneously for one or more, preferably use in the present embodiment 3 described charge and discharge devices to be connected in parallel and be put into described housing 1 interior use, can better be increased in like this chemical reaction in the described housing 1, better discharge and recharge the service behaviour that guarantees described battery thereby reach.

Embodiment 3: described charge and discharge device comprises, positive plate, negative plate and barrier film, with described positive plate as on the described barrier film, with described membrane winding, reach described positive plate is wrapped in the described barrier film, it is peripheral that described pole piece is arranged on described barrier film, and described negative plate is reeled, until described barrier film and described positive plate are wrapped in wherein fully, discharge and recharge by described positive plate and described negative plate; Described positive plate is comprised of anodal matrix and anode sizing agent layer, described anodal matrix is preferably made by described aluminum material in the present embodiment, described anode sizing agent layer specifically cooperates solvent to process by positive electrode, conductive agent and binding agent, described positive electrode preferably uses LiFePO4 in the present embodiment, be chemical reaction and the conductance that improves described positive plate, described conductive agent can be the superconduction carbon black, it also can be electrically conductive graphite, or the mixture of superconduction carbon black and electrically conductive graphite, described conductive agent preferably uses the superconduction carbon black in the present embodiment; For strengthening the resistance to chemical corrosion of described anodal matrix, described binding agent preferably uses polyvinylidene fluoride; Described anode sizing agent layer evenly is coated in described anodal outer surface of matrix; Described negative plate is comprised of negative pole matrix and cathode size layer, described negative pole matrix is preferably made by copper material in the present embodiment, described cathode size layer is by positive electrode, conductive agent and binding agent cooperate solvent to process, described positive electrode can be graphite or Delanium, preferably use in the present embodiment graphite, be chemical reaction and the conductance that improves described negative plate, described conductive agent can be the superconduction carbon black, it also can be electrically conductive graphite, or the mixture of superconduction carbon black and electrically conductive graphite, specifically can decide according to actual conditions, described conductive agent preferably uses the superconduction carbon black in the present embodiment; For strengthening the resistance to chemical corrosion of described anodal matrix, described binding agent preferably uses polyvinylidene fluoride.Described cathode size layer evenly is coated in described negative pole outer surface of matrix; By described barrier film described positive plate and described negative plate are separated, and prevent that the electronics in the described housing 1 from passing freely through; For increasing process industrial art performance, reduce manufacturing cost, described housing 1 preferably uses aluminum material to make in the present embodiment; Described electrolyte is arranged in the described housing 1, participates in the chemical reaction of described housing 1 inside and conducts electricity by described electrolyte; Described positive terminal 2 one ends are arranged in the described housing 1, and are connected with described positive plate, and the other end passes described housing 1 and is placed on described housing 1 outside; Described negative terminal 3 one ends are arranged in the described housing 1, and are connected with described negative plate, and the other end passes described housing 1 and is placed on described housing 1 outside; The described charge and discharge device that connects is arranged to 3, and is connected in parallel and is placed in described housing 1.

The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims

1. a battery is characterized in that, comprises

Housing; And charge and discharge device in the described housing is set;

Described positive plate comprises: anodal matrix and anode sizing agent layer;

2. battery as claimed in claim 1 is characterized in that described housing is specially aluminium casing.

3. battery as claimed in claim 2 is characterized in that, described anodal matrix is specially the anodal matrix of aluminum; Described negative pole matrix is specially the negative pole matrix.

4. such as battery as described in any one in the claims 1 to 3, it is characterized in that, be arranged in the described housing after 3 parallel connections of described charge and discharge device.