Rapid Development

1

• Rapid Development
• of
• Large Li-Ion Battery Packs
• using
• Off-the-Shelf
• Battery Management Systems

9/27/09, 1,
2
Custom or COTS?

• Custom design
• you own
• you control

• Commercial off-the-shelf (COTS)?
• fast
• easy
• little development

9/27/09, 2,
3
Custom or COTS?
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4
BMS chips
9/27/09, 4,
5
Cell selection

• Small cylindrical

• Pouch

• Large cylindrical

• Prismatic

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6
Topology selection

• Centralized

• Modular

• Master-slave

• Distributed

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7
Complexity selection

• Simple
• analog
• go/no go
• dumb
• 2.510 / cell (20 cells)

• Sophisticated
• digital
• detailed reports
• smart
• 1020 / cell (100 cells)?

Genasun
Blade EVs
9/27/09, 7,
8
Complexity selection

• Simple

• Sophisticated

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9
Sophisticated BMSs
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10
AMERICAN EV
Master-slave
"---"
120 cells
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11
BLACK SHEEP
Master-slave
"Stack V1"
"Stack V1"
32 cells
32 cells
9/27/09, 11,
12
BLACK SHEEP
Master-slave
"Cage V2"
"Cage V2"
96 cells
9/27/09, 12,
13
BLACK SHEEP
Master-slave
"Mini V3"
unlimited
9/27/09, 13,
14
CONVERT THE FUTURE
Centralized
"Flex BMS48"
48 cells
9/27/09, 14,
15
ELITHION
Distributed
"Lithiumate"
256 cells
9/27/09, 15,
16
ELITHION
Distributed
"Lithiumate"
256 cells
9/27/09, 16,
17
ELITHION
Distributed
"Lithiumate"
256 cells
9/27/09, 17,
18
ELITHION
Distributed
"Lithiumate"
256 cells
9/27/09, 18,
19
GENASUN
Distributed
"GLD"
24 cells
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20
LITHIUM BALANCE
Centralized
"C series"
24 cells
9/27/09, 20,
21
NINGBO YANGMIN
Master-slave
"BMS40"
100 cells
9/27/09, 21,
22
KJ HALL
Master-slave
"PACKTRAKR"
24 cells
9/27/09, 22,
23
PETER PERKINS
Distributed
"-"
255 cells
9/27/09, 23,
24
REAP
Modular
"-"
168 cells
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25
PRICES
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26
COMPARISON TABLE
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27
Simple BMSs
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28
EV Power
Distributed
9/27/09, 28,