CN212461776U - Long-life green lithium battery of safe type packaging mechanism - Google Patents

Abstract

The utility model discloses a long-life green lithium battery of a safety packaging mechanism, which comprises a body structure and a shell structure, wherein the body structure is arranged at the upper end of the inner cavity of the shell structure; the composite material of the negative electrode layer is used as a negative electrode material of a lithium ion rechargeable battery, the charge and discharge capacity of the battery can be improved by more than two times, the repeated service life can be prolonged, or the problem that the capacity and the service life of the battery cannot be obtained at present can be solved. The metal foil of this lithium cell sets up in the outside of positive pole layer, installs the diaphragm between positive pole layer and the negative pole layer, and is provided with solid-state electrolyte in the inner chamber of battery body for the lithium cell can avoid the unable release a large amount of heats of circuit short circuit through the metal foil of parcel in its outside when using, utilizes the diaphragm to separate positive pole layer and negative pole layer simultaneously, has solved the weeping that liquid lithium ion battery probably appears through being provided with solid-state electrolyte and has caused unsafe problem, has also improved the factor of safety of lithium cell greatly.

Description

Long-life green lithium battery of safe type packaging mechanism

Technical Field

The utility model relates to a lithium cell technical field specifically is a safe type packaging mechanism's long-life green lithium cell.

Background

The increasing environmental problems and the reduction of non-renewable energy sources have created an increasing demand for renewable clean energy sources and energy storage and conversion technologies. As a novel chemical power source, the lithium battery has the characteristics of high energy density, long cycle life, environmental friendliness and the like, is widely applied to portable mobile equipment such as mobile phones and notebook computers, and is more hopefully applied to the fields of electric automobiles and the like. However, graphite materials are mainly adopted as the negative electrode materials of lithium batteries which are commercialized at present, and the materials have good cycle stability performance but low capacity (the theoretical capacity is 372mAh/g), so that the large-scale application of the lithium ion batteries is limited.

The existing lithium battery has the advantages of low use safety factor, short service life and poor charge and discharge performance.

Aiming at the problems and challenges, a long-life green lithium battery of a safe packaging mechanism is provided, and the battery has the advantages of high safety coefficient, long service life, good charge and discharge performance and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe type packaging mechanism's long-life green lithium cell, it has that factor of safety is higher, life is longer and charge-discharge performance advantage such as better to it is lower to have solved the application safety factor of traditional lithium cell, and life is shorter and the relatively poor problem of charge-discharge performance.

In order to achieve the above object, the utility model provides a following technical scheme: a long-life green lithium battery of a safety packaging mechanism comprises a body structure and a shell structure, wherein the body structure is mounted at the upper end of an inner cavity of the shell structure and comprises a mounting block and a battery body, a positive electrode lug and a negative electrode lug are arranged on the outer side of the mounting block, the bottom ends of the positive electrode lug and the negative electrode lug penetrate through the mounting block and are positioned in the inner cavity of the battery body, sliding blocks are mounted on two sides of the battery body, and the battery body is movably connected with the shell structure through the sliding blocks;

the shell structure includes casing and concave type mounting groove, and concave type mounting groove has been seted up to the up end of casing, and the spout has all been processed to the inner wall both sides of concave type mounting groove, and the spout is mutually supported with the slider.

Further, the bottom of battery body is provided with insulating pad, and the inner chamber surface parallel of battery body has seted up two radiating grooves, installs a plurality of miniature fin in the inner chamber of radiating groove.

Further, the battery body comprises a metal foil, a positive electrode layer, a diaphragm and a negative electrode layer, wherein the metal foil is arranged on the outer side of the positive electrode layer, and the diaphragm is arranged between the positive electrode layer and the negative electrode layer.

Further, the diaphragm is a member made of a polypropylene material, a solid electrolyte is arranged in the inner cavity of the battery body, a positive tab and a negative tab are inserted into the inner cavity of the solid electrolyte, and the solid electrolyte is a member made of a lithium salt material.

Further, the negative electrode layer includes an active material, a manganese oxide nanosheet, a binder and an acidic material, and the active material is a member made of a graphene material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this safe type packaging mechanism's long-life green lithium cell, the metal forming sets up the outside at positive polar layer, install the diaphragm between positive polar layer and the negative pole layer, and be provided with solid-state electrolyte in the inner chamber of battery body, make the lithium cell can avoid the unable release a large amount of heats of circuit short circuit through the metal forming of parcel in its outside when using, utilize the diaphragm to separate positive polar layer and negative pole layer simultaneously, the weeping that has solved liquid lithium ion battery probably to appear through being provided with solid-state electrolyte causes unsafe problem, the factor of safety of lithium cell has also been improved greatly.

2. This safe type packaging mechanism's long-life green lithium cell, negative pole layer include active material, manganese oxide nanometer piece, adhesive and acid material, and the component that active material was made by a graphite alkene material for the combined material of this negative pole layer can improve the battery charge-discharge capacity more than the twice as the negative pole material of lithium ion rechargeable battery, and can prolong used life, or will solve present battery capacity and the problem that the life-span can not hold concurrently.

3. This safe type packaging mechanism's long-life green lithium cell, the spout has all been processed in the inner wall both sides of concave type mounting groove, the spout is mutually supported with the slider, and install a plurality of miniature fin in the inner chamber of radiating groove, make battery body can assemble and dismantle through being connected between spout and the slider conveniently with the casing, be convenient for change when also being favorable to battery body trip to damage or trouble, utilize miniature fin to be favorable to reducing a large amount of heats that the battery produced when using for a long time simultaneously, also be favorable to improving the life of battery.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is a schematic view of the cross-sectional plane structure of the negative electrode layer of the present invention.

In the figure: 1. a body structure; 11. mounting blocks; 111. a positive tab; 112. a negative tab; 12. a battery body; 121. a slider; 122. an insulating pad; 123. a heat sink; 1231. a micro heat sink; 124. a metal foil; 125. a positive electrode layer; 126. a diaphragm; 127. a negative electrode layer; 1271. an active substance; 1272. manganese oxide nanosheets; 1273. an adhesive; 1274. an acidic substance; 128. a solid electrolyte; 2. a housing structure; 21. a housing; 22. a concave mounting groove; 221. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a long-life green lithium battery of a safety packaging mechanism includes a body structure 1 and a housing structure 2, the body structure 1 is mounted at the upper end of an inner cavity of the housing structure 2, the body structure 1 includes a mounting block 11 and a battery body 12, a positive tab 111 and a negative tab 112 are disposed at the outer side of the mounting block 11, the bottom ends of the positive tab 111 and the negative tab 112 penetrate the mounting block 11 and are located in the inner cavity of the battery body 12, sliders 121 are mounted at two sides of the battery body 12, and the battery body 12 is movably connected to the housing structure 2 through the sliders 121; the bottom end of the battery body 12 is provided with an insulating pad 122, the surface of the inner cavity of the battery body 12 is provided with two heat dissipation grooves 123 in parallel, and a plurality of micro heat dissipation fins 1231 are arranged in the inner cavity of the heat dissipation grooves 123; the battery body 12 includes a metal foil 124, a positive electrode layer 125, a separator 126, and a negative electrode layer 127, the metal foil 124 being disposed on the outer side of the positive electrode layer 125, the separator 126 being mounted between the positive electrode layer 125 and the negative electrode layer 127; the separator 126 is a member made of a polypropylene material, the solid electrolyte 128 is disposed in the inner cavity of the battery body 12, the positive tab 111 and the negative tab 112 are inserted into the inner cavity of the solid electrolyte 128, and the solid electrolyte 128 is a member made of a lithium salt material; the negative electrode layer 127 includes an active material 1271, a manganese oxide nanosheet 1272, a binder 1273, and an acidic material 1274, and the active material 1271 is a member made of a graphene material.

Referring to fig. 2-3, a long-life green lithium battery of a safety packaging mechanism, a housing structure 2 includes a casing 21 and a concave mounting groove 22, the upper end surface of the casing 21 is provided with the concave mounting groove 22, two sides of the inner wall of the concave mounting groove 22 are both processed with sliding grooves 221, and the sliding grooves 221 are matched with sliding blocks 121.

In summary, the following steps: the long-life green lithium battery of the safety packaging mechanism comprises a positive tab 111 and a negative tab 112 arranged on the outer side of a mounting block 11, wherein the bottom ends of the positive tab 111 and the negative tab 112 penetrate through the mounting block 11 and are positioned in the inner cavity of a battery body 12, sliding blocks 121 are arranged on two sides of the battery body 12, the battery body 12 is movably connected with a shell structure 2 through the sliding blocks 121, a metal foil 124 is arranged on the outer side of a positive layer 125, a diaphragm 126 is arranged between the positive layer 125 and the negative layer 127, and a solid electrolyte 128 is arranged in the inner cavity of the battery body 12, so that the lithium battery can avoid a circuit short circuit and can not release a large amount of heat when in use through the metal foil 124 wrapped on the outer side of the lithium battery, the positive layer 125 and the negative layer 127 are separated by the diaphragm 126, the problem of unsafe caused by liquid leakage of the liquid lithium battery is solved through the, the negative electrode layer 127 comprises an active substance 1271, a manganese oxide nanosheet 1272, an adhesive 1273 and an acidic substance 1274, wherein the active substance 1271 is a member made of a graphene material, so that the composite material of the negative electrode layer 127 is used as the negative electrode material of the lithium ion rechargeable battery, the charging and discharging capacity of the battery can be improved by more than two times, the service life of the battery can be prolonged, or the problem that the current battery capacity and the service life cannot be doubled can be solved, the upper end surface of the shell 21 is provided with a concave mounting groove 22, sliding grooves 221 are respectively processed on two sides of the inner wall of the concave mounting groove 22, the sliding grooves 221 are matched with the sliding block 121, and a plurality of micro radiating fins 1231 are arranged in the inner cavity of the radiating groove 123, so that the battery body 12 can be conveniently assembled and disassembled with the shell 21 through the connection between the sliding grooves 221 and the sliding block 121, and the battery, meanwhile, the micro cooling fins 1231 are beneficial to reducing a large amount of heat generated by the battery during long-term use and prolonging the service life of the battery.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a safe type packaging mechanism's long-life green lithium cell, includes body structure (1) and shell structure (2), body structure (1), its characterized in that are installed to the inner chamber upper end of shell structure (2): the body structure (1) comprises an installation block (11) and a battery body (12), a positive electrode lug (111) and a negative electrode lug (112) are arranged on the outer side of the installation block (11), the bottom ends of the positive electrode lug (111) and the negative electrode lug (112) penetrate through the installation block (11) and are located in an inner cavity of the battery body (12), sliding blocks (121) are arranged on two sides of the battery body (12), and the battery body (12) is movably connected with the shell structure (2) through the sliding blocks (121);

shell structure (2) have been seted up concave type mounting groove (22) including casing (21) and concave type mounting groove (22), casing (21) up end, and spout (221) have all been processed to the inner wall both sides of concave type mounting groove (22), and spout (221) and slider (121) are mutually supported.

2. The long life green lithium battery of a safety enclosure of claim 1, wherein: the bottom of battery body (12) is provided with insulating pad (122), and battery body (12)'s inner chamber surface parallel has seted up two radiating grooves (123), installs a plurality of miniature fin (1231) in the inner chamber of radiating groove (123).

3. The long life green lithium battery of a safety enclosure of claim 1, wherein: the battery body (12) comprises a metal foil (124), a positive electrode layer (125), a diaphragm (126) and a negative electrode layer (127), wherein the metal foil (124) is arranged on the outer side of the positive electrode layer (125), and the diaphragm (126) is arranged between the positive electrode layer (125) and the negative electrode layer (127).

4. A long life green lithium battery for a safety enclosure as claimed in claim 3, wherein: the diaphragm (126) is a member made of a polypropylene material, the solid electrolyte (128) is arranged in the inner cavity of the battery body (12), the positive electrode tab (111) and the negative electrode tab (112) are inserted into the inner cavity of the solid electrolyte (128), and the solid electrolyte (128) is a member made of a lithium salt material.

5. A long life green lithium battery for a safety enclosure as claimed in claim 3, wherein: the negative electrode layer (127) comprises an active substance (1271), a manganese oxide nanosheet (1272), a binder (1273) and an acidic substance (1274), and the active substance (1271) is a member made of a graphene material.

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