Exploring Positive Electrode Materials in Lithium-ion Polymer Batteries

Exploring Positive Electrode Materials in Lithium-ion Polymer Batteries

Lithium-ion Polymer Batteries Cathode Materials

Lithium-ion polymer (LiPo) batteries, a subset of the broader category of lithium-ion (Li-ion) batteries, are renowned for their high energy density, lightweight properties, and flexibility in terms of shape and size. These characteristics make them particularly popular in portable electronics, drones, electric vehicles, and other high-performance applications. A critical component of these batteries is the cathode, or positive electrode, which significantly influences their capacity, voltage, safety, and longevity. Understanding the materials used for the cathode and their impact on battery performance can provide insights into how lithium-ion polymer batteries can be optimized for various applications.

Key Materials Used in Lithium-ion Polymer Battery Cathodes
The choice of cathode material is vital for determining the overall characteristics of a lithium-ion polymer battery. Here are some of the most commonly used cathode materials:

Lithium Cobalt Oxide (LiCoO₂):

Properties: LiCoO₂ is known for its high specific energy, which makes it ideal for use in mobile phones, laptops, and other consumer electronics.
Advantages: It offers a stable and high voltage of about 3.7 V per cell, contributing to the high energy density of the battery.
Disadvantages: However, safety concerns arise due to its structural instability when overcharged or overheated, and cobalt’s ethical sourcing issues are also significant.

Lithium Manganese Oxide (LiMn₂O₄):

Properties: This material has a three-dimensional spinel structure that allows for faster lithium-ion movement, which translates to higher rate capabilities.
Advantages: LiMn₂O₄ is safer and less expensive compared to other cathode materials. It also has good thermal stability and is more environmentally friendly.
Disadvantages: It offers a lower energy density and can experience capacity fade through extended use and cycling.

Lithium Nickel Manganese Cobalt Oxide (LiNiMnCoO₂ or NMC):

Properties: NMC is a combination of nickel, manganese, and cobalt, which balances the strengths and weaknesses of the individual components.
Advantages: It provides a good mix of energy density, power density, and safety, making it suitable for electric vehicles and storage applications.
Disadvantages: The presence of cobalt still raises cost and ethical concerns, although to a lesser extent than LiCoO₂.

Lithium Iron Phosphate (LiFePO₄):

Properties: Known for its robustness and safety, LiFePO₄ offers good electrochemical performance with strong resistance to thermal runaway.
Advantages: It is highly stable during charge and discharge, has a longer cycle life, and poses fewer environmental risks.
Disadvantages: The main drawback is its lower voltage and energy density compared to cobalt-based systems.

Lithium Nickel Cobalt Aluminum Oxide (LiNiCoAlO₂ or NCA):

Properties: Similar to NMC, NCA includes aluminum, which improves the stability and extends the life of the battery.
Advantages: It has one of the highest specific energies and is commonly used in high-energy-demand applications, such as electric vehicles and aerospace.
Disadvantages: Like other cobalt-containing cathodes, it faces challenges related to cost, safety, and ethical sourcing of materials.

The Future of Cathode Materials

Advancements in cathode materials continue to focus on enhancing the energy density, safety, and sustainability of lithium-ion polymer batteries. Research is actively ongoing in developing cobalt-free and nickel-rich systems, solid-state batteries, and other innovative technologies that promise to deliver better performance and reduce environmental impact.

The choice of cathode material significantly shapes the performance characteristics of lithium-ion polymer batteries. As the demand for more efficient and safer batteries continues to grow, understanding and innovating in the area of cathode materials becomes increasingly crucial. The ongoing developments not only aim to improve battery performance but also address the environmental and ethical issues associated with material extraction and battery production.

Hot Lithium-ion Polymer Battery Models

REACH CE RoHS IEC62133 UN38.3 Certification Lithium Polymer Battery LP953566 2700mAh 3.7V 9.99Wh

REACH CE RoHS IEC62133 UN38.3 Certification Lithium Polymer Battery LP953566 2700mAh 3.7V 9.99Wh

REACH CE RoHS IEC62133 UN38.3 Certification Lithium Polymer Battery LP953566 2700mAh 3.7V...

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5000mAh+ Lithium-ion Polymer Battery Lists

ModelCapacityT(mm)W(mm)L(mm)
LP28981255000mAh2.898125
LP301021255000mAh3102125
LP31107945000mAh3.110794
LP32801285000mAh3.280128
LP35711235000mAh3.57123
LP36701385000mAh3.670138
LP40881105000mAh488110
LP41801005000mAh4.180100
LP41881105000mAh4.188110
LP41881115000mAh4.188111
LP4271995000mAh4.27199
LP43841155000mAh4.384115
LP4395935000mAh4.39593
LP4665895000mAh4.66589
LP48531455000mAh4.853145
LP4896705000mAh4.89670
LP49561215000mAh4.956121
LP4962925000mAh4.96292
LP5282755000mAh5.28275
LP5462805000mAh5.46280
LP5462805000mAh5.46280
LP55601005000mAh5.560100
LP56581045000mAh5.658104
LP5680905000mAh5.68090
LP57581015000mAh5.758101
LP58621065000mAh5.862106
LP6062805000mAh66280
LP60601005000mAh660100
LP60601105000mAh660110
LP60401575000mAh640157
LP60601005000mAh660100
LP6262805000mAh6.26280
LP6260905000mAh6.26090
LP6560905000mAh6.56090
LP6560805000mAh6.56080
LP65501005000mAh6.550100
LP6560905000mAh6.56090
LP6860745000mAh6.86074
LP6854775000mAh6.85477
LP6950875000mAh6.95087
LP6957775000mAh6.95777
LP6957805000mAh6.95780
LP7060745000mAh76074
LP7060815000mAh76081
LP7256765000mAh7.25676
LP7354745000mAh7.35474
LP7355905000mAh7.35590
LP7555905000mAh7.55590
LP7550775000mAh7.55077
LP75481505000mAh7.548150
LP7653755000mAh7.65375
LP7656735000mAh7.65673
LP7857675000mAh7.85767
LP7955765000mAh7.95576
LP8455765000mAh8.45576
LP85501255000mAh8.550125
LP8550855000mAh8.55085
LP8655805000mAh8.65580
LP88381235000mAh8.838123
LP8853675000mAh8.85367
LP9055805000mAh95580
LP9147745000mAh9.14774
LP9252665000mAh9.25266
LP9355625000mAh9.35562
LP9543905000mAh9.54390
LP9554655000mAh9.55465
LP9554655000mAh9.55465
LP1043735000mAh104373
LP1055685000mAh105568
LP1055555000mAh105555
LP1043735000mAh104373
LP1047695000mAh104769
LP1047705000mAh104770
LP1048845000mAh104884
LP1053595000mAh105359
LP1055685000mAh105568
LP1155705000mAh115570
LP1152525000mAh115252
LP1154535000mAh115453
LP1155705000mAh115570
LP1248615000mAh124861
LP1250655000mAh125065
LP1346635000mAh134663
LP28981225020mAh2.898122
LP40881115020mAh488111
LP48601005050mAh4.860100
LP50491315100mAh549131
LP8257935100mAh8.25793
LP8542915100mAh8.54291
LP6070935140mAh67093
LP33100995150mAh3.310099
LP7547945200mAh7.54794
LP7654765200mAh7.65476
LP78501075200mAh7.850107
LP8944815200mAh8.94481
LP6856845300mAh6.85684
LP9847705300mAh9.84770
LP1245755400mAh124575
LP88361155400mAh8.836115
LP8956665400mAh8.95666
LP1249625500mAh124962
LP5565885500mAh5.56588
LP6774705500mAh6.77470
LP6874705500mAh6.87470
LP71501055500mAh7.150105
LP8575635500mAh8.57563
LP1052655600mAh105265
LP1249625600mAh124962
LP7163955600mAh7.16395
LP6874705800mAh6.87470
LP7551935900mAh7.55193
LP6572925950mAh6.57292
LP9166705980mAh9.16670
LP1060706000mAh106070
LP1247706000mAh124770
LP30921406000mAh392140
LP69551086000mAh6.955108
LP7057946000mAh75794
LP7267756000mAh7.26775
LP7555886000mAh7.55588
LP8856936000mAh8.85693
LP8960906000mAh8.96090
LP9060906000mAh96090
LP7262786200mAh7.26278
LP8060956200mAh86095
LP45721356300mAh4.572135
LP46721336300mAh4.672133
LP46721356300mAh4.672135
LP60621036300mAh662103
LP45721366320mAh4.572136
LP1053786400mAh105378
LP1263656500mAh126365
LP7561956500mAh7.56195
LP8761796500mAh8.76179
LP9056786600mAh95678
LP9056806600mAh95680
LP9860776700mAh9.86077
LP85481166800mAh8.548116
LP85511166800mAh8.551116
LP11371056900mAh1137105
LP31921407000mAh3.192140
LP6081967000mAh68196
LP63671317000mAh6.367131
LP75651217000mAh7.565121
LP8064897000mAh86489
LP1355707000mAh135570
LP57671057020mAh5.767105
LP11381147056mAh1138114
LP95451357300mAh9.545135
LP9876807400mAh9.87680
LP10551007500mAh1055100
LP48741327500mAh4.874132
LP56621587500mAh5.662158
LP70541507500mAh754150
LP98451257500mAh9.845125
LP1054887800mAh105488
LP61721117800mAh6.172111
LP1258717800mAh125871
LP62551657900mAh6.255165
LP1065888000mAh106588
LP11521008000mAh1152100
LP1179968000mAh117996
LP1256788000mAh125678
LP12601108000mAh1260110
LP1260908000mAh126090
LP55781308000mAh5.578130
LP62921068000mAh6.292106
LP63541658000mAh6.354165
LP75651218000mAh7.565121
LP76100698000mAh7.610069
LP8080958000mAh88095
LP90601008000mAh960100
LP92531028000mAh9.253102
LP93531028000mAh9.353102
LP90601008000mAh960100
LP75651108000mAh7.565110
LP1260908000mAh126090
LP75651218000mAh7.565121
LP75451528200mAh7.545152
LP52711658500mAh5.271165
LP81651238800mAh8.165123
LP12601109000mAh1260110
LP81581339000mAh8.158133
LP93731299000mAh9.373129
LP10481609000mAh1048160
LP75651139000mAh7.565113
LP12601109000mAh1260110
LP11601009000mAh1160100
LP88701299000mAh8.870129
LP90651159000mAh965115
LP11551109000mAh1155110
LP1260749000mAh126074
LP1162809000mAh116280
LP86661009200mAh8.666100
LP87661009200mAh8.766100
LP10611219200mAh1061121
LP1350989300mAh135098
LP7090909400mAh79090
LP12601109500mAh1260110
LP12601109500mAh1260110
LP88701299500mAh8.870129
LP93731299500mAh9.373129

How to order lithium polymer batteries?

1. Send your Requirements
Find us through the sidebar contact form, send us your requirements for the lipo battery, such as dimensions(thickness x width x length), voltage, capacity, max working current, protection circuit module(PCM), wires request, thermistor(NTC), connector type, etc. We will recommend the best suitable rechargeable lithium polymer battery for you.
2. Quotation
When we receive your inquiries, we will reply to you within 12 hours. We mainly communicate by email.
3. Order Process
When you are ready to place lithium polymer battery orders with us, we will confirm the battery models, quantities, prices, and other details, and send you an invoice for payment. We accept PayPal payments, credit cards payment, and bank transfer payments. Then, we will arrange your order. The lead time depends on specific orders.
4. Shipment
When we finish the lithium polymer batteries, we will ship them via DHL/UPS/FedEx air shipping, it is safe and fast. And, we will send the tracking number to you when we get it.
5. Warranty
Our warranty for the lithium polymer battery is one year after the sale. (Refund or resend batteries)
Range of warranty: There is low voltage, expansion, or leakage with the correct use of the lithium polymer battery in the warranty period.