CN211208600U

CN211208600U - Vertical many gold foil lithium cell of moulding shell

Info

Publication number: CN211208600U
Application number: CN201922479798.3U
Authority: CN
Inventors: 钟建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a mould many gold paper tinsel lithium cells of vertical formula of shell belongs to lithium cell technical field. The utility model comprises a shell, a diaphragm, electrolyte, an anode aluminum foil and a cathode copper foil, wherein the shell is a vertically arranged plastic shell, the plastic shell is divided into two parts by the diaphragm with a channel in the middle, the anode aluminum foil is positioned in an electrolyte I where lithium cobaltate is positioned, the cathode copper foil is positioned in an electrolyte II where graphite is positioned, the anode aluminum foil is arranged in parallel with the charging and discharging direction, and the anode aluminum foil is formed by connecting a plurality of metal aluminum foils which are parallel to each other; the negative copper foil is arranged parallel to the charging and discharging direction and is formed by connecting a plurality of mutually parallel metal copper foils. The utility model discloses change the anodal aluminium foil of current perpendicular to charge-discharge direction into and be on a parallel with the setting of charge-discharge direction to the polylith replaces the lot, can reduce, eliminate the charging-discharge shielding even, still increases the area of contact of electrode and lithium cobaltate and graphite, makes battery charge speed and charge volume obtain improving.

Description

Vertical many gold foil lithium cell of moulding shell

Technical Field

The utility model relates to a mould many gold paper tinsel lithium cells of vertical formula of shell belongs to lithium cell technical field.

Background

The common lithium battery adopts a transverse metal foil anode, a transverse metal foil cathode and a transverse metal foil casing. The diaphragm of the common lithium battery is positioned in the center of the metal shell, the positive and negative polar plates of the lithium battery are respectively positioned on the upper and lower sides of the lithium battery, and the charging and discharging directions are the up-down directions; the positive and negative electrodes of the metal foil are transversely arranged, namely perpendicular to the charging and discharging direction. The metal foil has the effects of shielding and the like due to the transverse arrangement of the anode and the cathode, and the charging speed is low and the charging is not full.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect that prior art exists, the utility model provides a mould many gold paper tinsel lithium cells of vertical formula of shell.

The utility model discloses a vertical many gold foils of formula lithium cell of moulded case, including shell, diaphragm, electrolyte, anodal aluminium foil and negative pole copper foil, the shell is the plastic casing of vertical setting, and the plastic casing is divided into two via the diaphragm that has the passageway in the middle, and anodal aluminium foil is located lithium cobaltate place electrolyte I, and the negative pole copper foil is located graphite place electrolyte II, and anodal aluminium foil is parallel to the direction of charge-discharge and sets up, and anodal aluminium foil is formed by connecting a plurality of metal aluminium foils that are parallel to each other; the negative copper foil is arranged parallel to the charging and discharging direction and is formed by connecting a plurality of mutually parallel metal copper foils.

Preferably, the positive electrode aluminum foil and the negative electrode copper foil are in a straight plate shape, and the electrolyte is divided into a plurality of parts, and the cross section size of the parts is almost close to the cross section 1/2 of the plastic shell.

Preferably, the charging and discharging direction is a direction perpendicular to the separator; lithium ions in the electrolyte I move from the left side of the diaphragm to the electrolyte II on the right side through the channel, and the direction of the lithium ions is the charging direction; on the contrary, when lithium ions in the electrolyte II move from the right side of the diaphragm to the left side of the electrolyte I through the channel, the discharge direction is formed.

Preferably, the metal aluminum foil is parallel to the charging and discharging direction, the metal aluminum foil eliminates the charging and discharging shielding, and the contact surface between a plurality of metal aluminum foils and lithium cobaltate is increased.

Preferably, the metal copper foil is parallel to the charging and discharging direction, the metal copper foil eliminates the charging and discharging shielding, and the contact surface between a plurality of metal copper foils and graphite is increased.

Preferably, two direction-changeable oscillating electric fields which are the same direction electric field and perpendicular to the charging and discharging direction are arranged in the charging and discharging direction.

The utility model has the advantages that: mould many gold paper tinsel lithium batteries of vertical formula of shell, change the anodal aluminium foil of current perpendicular to charge-discharge direction into and be on a parallel with charge-discharge direction setting to the polylith replaces the lot, can reduce, eliminate the charge-discharge shielding even, still increases the area of contact of electrode and lithium cobaltate and graphite, makes battery charge speed and charge volume obtain improving.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. lithium ions; 2. lithium cobaltate; 3. an electrolyte I; 4. a positive aluminum foil; 5. a diaphragm; 6. a channel; 7. graphite; 8. an electrolyte II; 9. a negative copper foil; 10. a plastic housing.

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.

Example 1:

As can be seen from the front view of fig. 1, the plastic housing is divided into two parts via a diaphragm with channels in the middle, lithium cobaltate on the left and graphite on the right. And a positive aluminum foil is arranged in the electrolyte I with the lithium cobaltate, and a negative copper foil is arranged in the electrolyte II with the graphite. When lithium ions in the electrolyte I move from the left side of the diaphragm into the electrolyte II on the right side through the channel, a charging process is formed; on the contrary, when lithium ions in the electrolyte II move from the right side of the diaphragm to the left side of the electrolyte I through the channel, a discharge process is formed.

It should be noted that: the positive electrode aluminum foil and the negative electrode copper foil in fig. 1 are in the form of a straight plate, and the electrolytic solution is divided into several parts, and the sectional size thereof is almost close to the plastic case sectional area 1/2.

As can be seen from the front view of fig. 2, the positive aluminum foil and the negative copper foil are both composed of a plurality of small pieces. The positive aluminum foil is positioned in the left electrolyte I, the existing positive aluminum foil perpendicular to the charge and discharge direction is changed into the positive aluminum foil parallel to the charge and discharge direction, and a plurality of positive aluminum foils replace one positive aluminum foil, so that the charge and discharge shielding can be reduced or even eliminated, the contact area of the electrode with lithium cobaltate and graphite is increased, and the charge speed and the charge capacity of the battery are improved. Similarly, the negative copper foil is also arranged in parallel to the charge-discharge direction and is replaced by a plurality of pieces.

It should be noted that: in fig. 2, the dashed box represents the cathode in the bottom of the plastic housing, in an invisible state.

Example 2:

the utility model discloses a with the metal forming of vertical charging direction put to increase several metal forming and reach and reduce and eliminate electrode metal forming shielding effect, and change metal casing into plastic casing, avoid electrostatic shielding, and then can accept to vibrate the electric field in charging electrode direction and a syntropy electric field (X direction) and vertical charging electrode direction and two reversals in addition, make the resistance of charging electrode reduce, reach the purpose of accelerating the speed of charging and charging more.

The purpose of the equidirectional electric field (X direction) is to enable lithium ions in the lithium battery to obtain larger charging potential, and the lithium ions are deep into the negative electrode; the two direction-changeable oscillating electric fields are used for enabling lithium ions in the lithium battery to continuously vibrate up and down along the advancing direction so as to reduce and avoid congestion; under the action of a equidirectional electric field (X direction) and two direction-changeable oscillating electric fields, lithium ions in the lithium battery are in three-dimensional motion all the time.

The utility model discloses can utilize and vibrate the electric field and solve the slow and not full problem of charging speed at the extra auxiliary electric field of charging electrode and vertical charging electrode orientation setting two diversions.

The utility model discloses a use as follows: mould many gold paper tinsel lithium cells of vertical formula of shell, erect the metal forming of positive negative pole put (the perpendicular direction of charging) and increase several metal forming reach reduce and eliminate electrode metal forming shielding effect to and change metal casing into plastic casing (avoid electrostatic shielding), and then can accept to add one syntropy electric field (X direction) and perpendicular charge utmost point direction and two can change to shock electric field in addition in the utmost point direction of charging, make the resistance that fills the electrode reduce, reach the purpose of accelerating the speed of charging and charging more. The transverse (vertical to the charging and discharging directions) metal foil electrode is changed into a vertical (parallel to the charging direction) (figures 1 and 2), and a plurality of metal foil electrodes are used for replacing one metal foil electrode, so that the charging and discharging shielding can be reduced or even eliminated, the contact area of the electrode with lithium cobaltate and graphite is increased, and the charging speed and the charging amount of the battery are improved.

The utility model discloses can extensively apply to the lithium cell occasion.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

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

1. A vertical multi-gold-foil lithium battery with a plastic shell comprises a shell, a diaphragm (5), electrolyte, an anode aluminum foil (4) and a cathode copper foil (9), and is characterized in that the shell is a vertically arranged plastic shell (10), the plastic shell (10) is divided into two parts through the diaphragm (5) with a channel (6) in the middle, the anode aluminum foil (4) is positioned in an electrolyte I (3) where lithium cobaltate (2) is positioned, the cathode copper foil (9) is positioned in an electrolyte II (8) where graphite (7) is positioned, the anode aluminum foil (4) is arranged in a manner of being parallel to a charging and discharging direction, and the anode aluminum foil (4) is formed by connecting a plurality of metal aluminum foils which are parallel to each other; the negative copper foil (9) is arranged in parallel to the charging and discharging direction, and the negative copper foil (9) is formed by connecting a plurality of mutually parallel metal copper foils.

2. The plastic-case vertical multi-gold-foil lithium battery according to claim 1, wherein the positive aluminum foil (4) and the negative copper foil (9) are in a straight plate shape, and divide the electrolyte into several parts.

3. The plastic case vertical poly-gold foil lithium battery according to claim 1, wherein the charge and discharge direction is a direction perpendicular to the separator (5); lithium ions (1) in the electrolyte I (3) move from the left side of the diaphragm (5) to the right side electrolyte II (8) through the channel (6), and the direction of charge is the direction of charge; on the contrary, when lithium ions (1) in the electrolyte II (8) move from the right side of the diaphragm (5) to the left side of the electrolyte I (3) through the channel (6), the discharge direction is set.

4. The plastic case vertical multi-gold foil lithium battery of claim 1, wherein the metal aluminum foil is parallel to a charge and discharge direction, the metal aluminum foil eliminates a charge and discharge shield, and contact surfaces of a plurality of metal aluminum foils and lithium cobaltate (2) are increased.

5. The plastic case vertical multi-gold foil lithium battery of claim 4, wherein the metal copper foil is parallel to a charge and discharge direction, the metal copper foil eliminates a charge and discharge shield, and contact surfaces of a plurality of metal copper foils and graphite (7) are increased.

6. The plastic-shell vertical multi-gold-foil lithium battery as claimed in claim 1 or 3, wherein one equidirectional electric field and two direction-changeable oscillating electric fields perpendicular to the charging and discharging directions are arranged in the charging and discharging directions.