2-Liu Xingjiang

Ten thousand KVAh 30000 25000 20000 15000 10000 5000 0 Lead-acid battery
Li-ion battery GWh 120 100 80 60 40 20 0
2014
2015 Year
2016
2017
2014
2015 Year
2016
l l
A 202 3.2 1 1 >4000 163
B 200 3.2 2 2 >4000 165
Nominal Voltage(V) Charging Current (C)
l l l l
Discharging Current(C) Cycle life Energy Density(Wh/kg)
ü Cell：400-500Wh/kg in 2020 ü Mass production: 2025-2030
Ref：doi: 10.12028/j.issn.an for EV Battery
Gen1 ～200Wh/kg （HEV/ PHEV/EV)
OUTLINE
1 2 3 4 5
Introduction Battery Industry in China Battery R&D in China Future Prospects Summary
2
Application of Battery
xEV ESS
CE&IT
Battery
Defense
3
LiB Shipment and Market Forecast
2017: Worldwide 148.1 GWh; China 52%
Ref. ITRI/IEK Analysis (2017/04)
2017 xEV Battery Shipment
11.8 10 7.2 5.5 4.5 3.2 2.8 1.9 1.68 1.6
17
LTO-based Pouch Cell
18
How to Make Cost Reduction
19
OUTLINE
1 2 3 4 5
Introduction Battery Industry in China Battery R&D in China Future Prospects Summary
A 73 3.6 5 302 643 >800 83.6%
21
l l l
Low l
Next Gen. LIB: Toward 500 Wh/kg
xLi2MnO3·(1-x)LiMO2 — SiOx/C
Figure 3 a, typical voltage-capacity profile was obtained at a rate of 5 mA⋅g-1 in the cutoff voltage from 2.0 to 4.8V. b, Average discharge potential versus cycle number plots. C, Specfic capacity versus cycle number plots. D, the differential discharge capacity plots related to the 2nd and 50th cycles for the O2-Li-rich material electrode.
A 75 3.62 180 180 >800 280
B 42 3.65 100 135 >2500 205
Capacity(Ah) Nominal Voltage(V) Charging Current (A)
l l l l
Discharging Current(A) Cycle life Energy Density(Wh/kg)
16
Discharge Voltage Cut-off l 70.9±0.2mm Charging Current l l
NCM523／Gr.
21700
l
Typical Pouch Cell Performance
Size
l l
2014
2015 Year
2016
2017
2014
2015 Year
2016
2017
10
Top 20 xEV LIB Company in China
11
Cathode Materials for xEV LIB in China
LMO LTO 4% 2% LFP 49% NCM 45%
2016
l l l l
Discharging Current(C) Cycle life Energy Density(Wh/kg)
NCM／Gr.
15
Typical 21700 Cell Performance
21.7±0.2mm l l l l Capacity(1C) IR Nominal Voltage Charging Voltage Min. Typical 1C Standard Cycle Charging Time Discharging Current l l Weight Energy Density Standard Cycle Max. Typical Typical Typical 3.8 Ah 14 mΩ 3.6 V 4.2 V 2.75 V 2A 2A 3 Hour 4A 12 A 69 gr. 522 Wh/L 198 Wh/kg
2017
12
LFP，NCM，also LMO
xEV Cell Type & Proportion
p The proportion of Prismatic battery is over 50%.
The Capacity of batteries of different type
LFP／Gr.
14
Typical Prismatic Cell Performance
Type
l l
A 51 3.65 2 3 >2000 200
B 43 3.65 4 4 >2000 181
Capacity(Ah) Nominal Voltage(V) Charging Current (C)
35.0 30.0 25.0 100MWh 亿瓦时 20.0 15.0 10.0 5.0 0.0 软包 Soft Package 11.8
31.1
The proporLon of baNeries of different type
Xingjiang Liu, Jiqiang Wang 刘兴江，汪继强
NKLPS，Tianjin Institute of Power Sources, CETC
中国电子科技集团公司第十八研究所
THE 18TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
C LTO
S Air
Li
Li2MnO3-­‐LMO Fast C
＜3RMB/Wh
＜2RMB/Wh
＜1RMB/Wh
Separator：PP、PE or Ceramic modified PE, PI； Electrolyte：High Voltage, High Safety。
22
引言言
Solid-State Lithium Battery
固态电池和传统液态电池的结构对比比
更高高比比能量 、更高高安全性、 更好循环性
23
SLB Development in The World
『Bolloré公司』 LFP (or LixV3O8)/PEO/Li体系，100Wh/kg（PACK能量密度），Bluecar EV商业化运营， 预测产能300MWh 『丰田公司』 硫化物电导率10-2S/cm，NCA/硫化物SE/石墨，400Wh/L，电动搬运车装车演示 2022年推向商业化 『三星电子』 NCM/硫化物电解质/石墨，175Wh/kg（实验） 小试阶段
2017
Ni-based aqueous rechargable battery Hundred milliom 12 10 8 6 4 2 0
(Alkaline)Zn-Mn battery Hundred milliom 322.0 321.0 320.0 319.0 318.0 317.0 316.0
15.1
26%
20%
Soft 软包
Package
prismatic 硬壳
圆柱 Cylindrical
54%
硬壳 prismatic
圆柱 Cylindrical
13
Typical Prismatic Cell Performance
Company Capacity(Ah)
LMO LFP
LMO/NMC LMO/NCA LNMO EDLC
Gen 2 ～300Wh/kg (PHEV/EV)
NCM、NCA C
Sn/Si Alloy
Gen3 ～500Wh/kg (EV)
The Chemistry of Next Generation EV Battery
8
OUTLINE
1 2 3 4 5
Introduction Battery Industry in China Battery R&D in China Future Prospects Summary