Wishlist/LiFePO4 Battery

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Info-links sunhigh-battery:
 
Info-links sunhigh-battery:
 
*http://www.sunhigh-battery.com/sdp/426453/4/pl-2390692/0-1538920.html Quote: "...The chemical structure of LiFePO4 used in SUNHIGH battery is very stable. The cycle life is extraordinary. The performance of the SUNHIGH's Fe- Battery is excellent for cycling at high temperature as well as for overcharge and over discharge..."
 
*http://www.sunhigh-battery.com/sdp/426453/4/pl-2390692/0-1538920.html Quote: "...The chemical structure of LiFePO4 used in SUNHIGH battery is very stable. The cycle life is extraordinary. The performance of the SUNHIGH's Fe- Battery is excellent for cycling at high temperature as well as for overcharge and over discharge..."
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*Info AA Portable Power Corp:
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**Polymer Li-Fe-PO4 Cell: 8790160L 3.2V 10 Ah, 2 C Drain Rate (LFP-8790160L):
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http://www.batteryspace.com/index.asp?PageAction=VIEWPROD&ProdID=4053
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Quote: "...
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$59.95
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...
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New Generation Polymer Li-Fe-PO4 Battery: High discharging rate, non explosive, lighter weight and much safe
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...
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* Energy density: 124 wh/kg
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...
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Dimensions (HxWxL)       8.9mmx92.5mmx163.0 mm
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...
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Weight     258 grams
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..."
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**Detail Data Sheet:
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http://www.batteryspace.com/prod-specs/3.2V_10Ah_LiFePo4_poly.pdf
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**Ask for a suitable flat-pack:
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**AA Portable Power Corp: http://www.aaportablepower.com/
  
 
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Revision as of 20:07, 4 October 2008

A new battery type has appeared:

Advantages:

  • 1000+ (dis)charge deep-cycles.
  • Low self-discharge; 5% / month at 25 deg. celcius
  • Very electrically robust
  • Very mechanically robust - can literally be nailed without explosion danger.
  • -30...60 deg. celcius operating
  • a123systems ANR26650M1 3.3V 2.3Ah can be charged in 15 minutes.
  • a123systems ANR26650M1 3.3V 2.3Ah cells are laserwelded instead of crimping, which lower water losses and therefore extends celllife.

Info-links a123systems:

Info-links sunhigh-battery:


  • Info AA Portable Power Corp:
    • Polymer Li-Fe-PO4 Cell: 8790160L 3.2V 10 Ah, 2 C Drain Rate (LFP-8790160L):

http://www.batteryspace.com/index.asp?PageAction=VIEWPROD&ProdID=4053 Quote: "... $59.95 ... New Generation Polymer Li-Fe-PO4 Battery: High discharging rate, non explosive, lighter weight and much safe ...

  • Energy density: 124 wh/kg

... Dimensions (HxWxL) 8.9mmx92.5mmx163.0 mm ... Weight 258 grams ..."

    • Detail Data Sheet:

http://www.batteryspace.com/prod-specs/3.2V_10Ah_LiFePo4_poly.pdf

-

Traditional (Li-ion (polymer)) lithium-accumulator only handles 300-500 (dis)charge deep-cycles

How to prolong lithium-based batteries: http://www.batteryuniversity.com/parttwo-34.htm Quote: "... A lithium-ion battery provides 300-500 discharge/charge cycles. The battery prefers a partial rather than a full discharge. Frequent full discharges should be avoided when possible...Increasing internal resistance with cycle life and age is typical for cobalt-based lithium-ion, a system that is used for cell phones, cameras and laptops because of high energy density. The lower energy dense manganese-based lithium-ion, also known as spinel, maintains the internal resistance through its life but loses capacity due to chemical decompositions..."

Personal tools

A new battery type has appeared:

Advantages:

  • 1000+ (dis)charge deep-cycles.
  • Low self-discharge; 5% / month at 25 deg. celcius
  • Very electrically robust
  • Very mechanically robust - can literally be nailed without explosion danger.
  • -30...60 deg. celcius operating
  • a123systems ANR26650M1 3.3V 2.3Ah can be charged in 15 minutes.
  • a123systems ANR26650M1 3.3V 2.3Ah cells are laserwelded instead of crimping, which lower water losses and therefore extends celllife.

Info-links a123systems:

Info-links sunhigh-battery:

-

Traditional (Li-ion (polymer)) lithium-accumulator only handles 300-500 (dis)charge deep-cycles

How to prolong lithium-based batteries: http://www.batteryuniversity.com/parttwo-34.htm Quote: "... A lithium-ion battery provides 300-500 discharge/charge cycles. The battery prefers a partial rather than a full discharge. Frequent full discharges should be avoided when possible...Increasing internal resistance with cycle life and age is typical for cobalt-based lithium-ion, a system that is used for cell phones, cameras and laptops because of high energy density. The lower energy dense manganese-based lithium-ion, also known as spinel, maintains the internal resistance through its life but loses capacity due to chemical decompositions..."