CN108834311A - A kind of printed circuit board - Google Patents

A kind of printed circuit board Download PDF

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Publication number
CN108834311A
CN108834311A CN201810851015.7A CN201810851015A CN108834311A CN 108834311 A CN108834311 A CN 108834311A CN 201810851015 A CN201810851015 A CN 201810851015A CN 108834311 A CN108834311 A CN 108834311A
Authority
CN
China
Prior art keywords
printed circuit
circuit board
insulation layers
electrochemical cell
external electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810851015.7A
Other languages
Chinese (zh)
Inventor
庞志翔
龚建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Sea Tide Amperex Technology Ltd
Original Assignee
Wuxi Sea Tide Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Sea Tide Amperex Technology Ltd filed Critical Wuxi Sea Tide Amperex Technology Ltd
Priority to CN201810851015.7A priority Critical patent/CN108834311A/en
Publication of CN108834311A publication Critical patent/CN108834311A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/182Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H05K1/185Components encapsulated in the insulating substrate of the printed circuit or incorporated in internal layers of a multilayer circuit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/256Carrying devices, e.g. belts
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007Types of components
    • H05K2201/10037Printed or non-printed battery
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a kind of printed circuit boards, layer printed circuit board, which stacks, has multiple layers, multiple layers include two external electrical insulation layers, conductive traces are formed on one or two of described two external electrical insulation layers, each of two outer electric insulation layers that wherein layer printed circuit board stacks include the insulating materials being arranged in epoxide resin material, electrochemical cell is inserted into the layer printed circuit board stacking between described two outer electric insulation layers that layer printed circuit board stacks, it includes the spacer between two external electrical insulation layers, it further include the spatial joint clearance limited positioned at least one of the electrochemical cell and two external electrical insulation layers.Its space surface can be saved and preferably be utilized to a kind of printed circuit board of the invention.

Description

A kind of printed circuit board
Technical field
The field of the invention is a kind of printed circuit board, and comprising solid-state, film is secondary and primary electrochemical device.
Background technique
Typical electrochemical appliance includes for example multiple electroactive layers, such as anode, cathode, electrolyte, substrate and electric current Collector.Some layers, it may for example comprise the anode layer of lithium is made of the material of very environment sensitive, for example, substrate can not be Individual cell device, but the conduction for the printed circuit board that can adhere to by semiconductor surface or semiconductor devices or thereon or Insulation-encapsulated surface provides.This battery needs to encapsulate to protect environment sensitive material, and some schemes encapsulate electrochemical device Sensitive layer, such as encapsulated with goldleaf.Device is encapsulated in the bag made of metal and plastics by other schemes, for example, close It is enclosed in device periphery.The rigidity or flexibility of printed circuit board surface are very limited, thus be it is very valuable, therefore, need Electrochemical cell is more effectively combined with the design of printed circuit board, to save and preferably utilize printed circuit board Space surface.
Technical solution
The invention mainly solves the technical problem of providing a kind of printed circuit boards, which is characterized in that including:Printed circuit Plate layer heap is folded, and with multiple layers, the multiple layer includes two external electrical insulation layers, and conductive traces are formed in described two outer On one or two of portion's electric insulation layer, each of two outer electric insulation layers that wherein layer printed circuit board stacks include Insulating materials in epoxide resin material is set;Electrochemical cell, described two dispatches from foreign news agency that insertion layer printed circuit board stacks During the layer printed circuit board between insulating layer stacks, stacked wherein the electrochemical cell is embedded in the layer printed circuit board Described two outer electric insulation layers between;Spacer between two external electrical insulation layers;Positioned at the electrochemical cell edge Spatial joint clearance, by spacer, at least one of the electrochemical cell and two external electrical insulation layers limit space between Gap.
Further, wherein spacer is the material different from the material of two external electrical insulation layers of layer printed circuit board stacking Material, and be the material different from any material of electrochemical cell.
Further, wherein the interval in gap is stacked by the spacer, the electrochemical cell and layer printed circuit board Two external electrical insulation layers limit.
Further, wherein a company in described two external electrical insulation layers that the partition stacks layer printed circuit board It is connected to another in described two external electrical insulation layers that the layer printed circuit board stacks.
It further, further include the embedded conductor being electrically connected with the electrochemical cell.
The beneficial effects of the invention are as follows:
Its space surface can be saved and preferably be utilized to a kind of printed circuit board of the invention.
Detailed description of the invention
Figure 1A shows the top view of exemplary embodiment of the present invention.
Figure 1B shows the extension sectional view of a part of exemplary embodiment of the present invention.
Fig. 1 C shows the extension sectional view of a part of exemplary embodiment of the present invention.
Fig. 1 D shows the extension sectional view of a part of exemplary embodiment of the present invention.
Fig. 2 depicts a side sectional view of one embodiment of the present of invention.
Fig. 3 describes another side sectional view of exemplary embodiment of the present invention.
Fig. 4 shows another side sectional view of exemplary embodiment of the present invention.
Embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
Figure 1A, 1B, 1C and 1D show various alternative exemplary embodiments of the invention, and Figure 1A is shown including being embedded in The top view of the example devices 100 of electrochemical cell 102 in printed circuit board (printed circuit board) 101, wherein battery list The edge of member 102 extends beyond the edge of printed circuit board 101, printed circuit board 101 or other exemplary implementations of the invention Example may include multiple stackings, such as two, three, four, five, six, seven, eight or more layers.For example, as schemed Shown in 1A, printed circuit board 101 includes two layers, and electrochemical cell 102 also can have multiple layers.For example, as shown in Figure 1A, electricity Chemical cell 102 includes two layers, i.e. top layer 102a and bottom 102b, top layer 102a can be for example that electrochemical cell 102 is being just Pole, and bottom 102b can be the cathode of such as electrochemical cell 102.In another exemplary embodiment of the invention, top layer 102a, which can be such as negative terminal of electrochemical cell 102 and bottom 102b, can be the anode of such as electrochemical cell 102 Terminal.Figure 1B shows the extension side view of equipment 100, including the unit 102 extended to except 101 edge of printed circuit board, Printed circuit board 101 can be at least partly made of fire retardant 4 known in the art or other printed circuit board layer materials, example Such as, polytetrafluoroethylene (PTFE), FR-1, CEM-1 (cotton paper and epoxy resin), CEM-2 (cotton paper and epoxy resin), CEM-3 (Woven glass And epoxy resin), CEM-4 (Woven glass and epoxy resin), CEM-5 (Woven glass and polyester), FR-2 (phenolic aldehyde cotton paper), FR-3 (cotton paper and epoxy resin), FR-5 (Woven glass and epoxy resin), FR-6 (dumb light glass and polyester), G-10 are (woven Glass and epoxy resin) and/or polyimides.Printed circuit board 101 may include one or two appearance of printed circuit board Conductive trace 103 on face, conductive trace 103 is it is so structured that such as copper foil.As shown in Figure 1A, conductive trace 103 can wrap It includes on surface mount package, such as single surface mount package.Fig. 1 C shows another exemplary extended side view of device 100 Figure, including removing a part of printed circuit board 101 to form gap 114 in printed circuit board 101.Fig. 1 D show including The expansion view of the equipment 100 of printed circuit board 101, wherein removing part to expose a part of unit 102.Figure 1B, 1C It is also shown with 1D with multiple, such as two layers of electrochemical cell 102, however, exemplary embodiment of the present invention can also wrap It includes with more than two electrochemical cells, such as three, four, five, six, seven, eight or more layers.
Fig. 2 shows device 200, the side sectional views of exemplary embodiment of the present invention, including three with gap 206 Layer printed circuit board 101, in the side gap Shang You of electrochemical cell 102, which can be embedded in insulating layer in gap 206 In, on the one or more sides for the electrochemical cell 102 that gap 206 can be located at insertion, printed circuit board 101 may include Trace and/or component on one or two outside of printed circuit board 101, spacer 205 constitute the one of printed circuit board 101 Part, and the top layer of printed circuit board 101 is connected to the bottom of printed circuit board 101.Spacer 205 can be defined further And/or provide and provide buffer area for example, gap 206 can reduce the stress in component to the support and stability of equipment 200, Position is provided for other assemblies or design feature, and/or the capacity of thermal control is provided.
Fig. 3 shows the exemplary embodiment of the present invention including alternately printed circuit board 101 and 206 structure of gap, print Printed circuit board 101 may include two layers for surrounding electrochemical cell 102, and therefore, the inside of two layers of printed circuit board 101 has There is warp architecture, so that gap 206 includes similar curved outer shape.In addition, as shown in figure 3, electrochemical cell 102 can be with The combination of multilayer thinner than the layer of printed circuit board 101 or than printed circuit board 101 is thin, however, substitution according to the present invention is shown Example property embodiment, electrochemical cell 102 can be than the thickness of printed circuit board 101, than multiple combinations (such as two, three, four A, five, six, seven, eight or more), the combination of the layer of printed circuit board 101 or about the same thickness it is thicker.
Fig. 4 shows the equipment 400 of exemplary embodiment of the present invention, which includes for example with conduction Conductive surface, conducting wire, conductive through hole or another conductive layer of engagement pad, conductive surface can also with insulating surface (such as Printed circuit board) it is formed together, wherein conductive surface can be formed on the internal layer of printed circuit board.For example, Fig. 4 shows insertion In internal insulating layer or internal embedded conductor 407.Embedded conductor 407 can be visited in the outside edges of printed circuit board 101 It asks, embedded conductor 407 can not extend to the edge of printed circuit board 101, thus, for example, as in printed circuit board Portion is electrically interconnected.Embedded conductor 407 can play the role of such as selective conductivity adhesive layer, for example, selective conductivity bonding layer It can permit through bonding layer and to be transmitted to battery contact from battery 102 or in one or more traces of specified point (not shown), Selective conductivity bonding layer can also provide insulation between battery contact and printed circuit board 101.
The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that:It still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features; And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (5)

1. a kind of printed circuit board, which is characterized in that including:Layer printed circuit board stacks, with multiple layers, the multiple layer Including two external electrical insulation layers, conductive traces are formed on one or two of described two external electrical insulation layers, wherein Each of two outer electric insulation layers that layer printed circuit board stacks include the insulating materials being arranged in epoxide resin material;
Electrochemical cell, the layer printed circuit board between described two outer electric insulation layers that insertion layer printed circuit board stacks In stacking, wherein the electrochemical cell is embedded between described two outer electric insulation layers that the layer printed circuit board stacks;
Spacer between two external electrical insulation layers;
The spatial joint clearance limited positioned at least one of the electrochemical cell and two external electrical insulation layers.
2. a kind of printed circuit board according to claim 1, it is characterised in that:Wherein spacer is and layer printed circuit board The different material of the material of the two external electrical insulation layers stacked, and be the material different from any material of electrochemical cell Material.
3. a kind of printed circuit board according to claim 1, it is characterised in that:Wherein the interval in gap is by the interval Two external electrical insulation layers that device, the electrochemical cell and layer printed circuit board stack limit.
4. a kind of printed circuit board according to claim 1, it is characterised in that:Wherein the partition is by layer printed circuit board One in described two external electrical insulation layers stacked is connected to described two external electricals that the layer printed circuit board stacks Another in insulating layer.
5. a kind of printed circuit board according to claim 1, it is characterised in that:It further include being electrically connected with the electrochemical cell The embedded conductor connect.
CN201810851015.7A 2018-07-29 2018-07-29 A kind of printed circuit board Withdrawn CN108834311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810851015.7A CN108834311A (en) 2018-07-29 2018-07-29 A kind of printed circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810851015.7A CN108834311A (en) 2018-07-29 2018-07-29 A kind of printed circuit board

Publications (1)

Publication Number Publication Date
CN108834311A true CN108834311A (en) 2018-11-16

Family

ID=64152184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810851015.7A Withdrawn CN108834311A (en) 2018-07-29 2018-07-29 A kind of printed circuit board

Country Status (1)

Country Link
CN (1) CN108834311A (en)

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WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181116