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A flow battery, or redox flow battery, is a type of electrochemical cell where chemical energy is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane. A flow battery may be used like a rechargeable battery, where an electric power source drives regeneration of the fuel. Advantages over conventional rechargeables includes separable liquid tanks and near unlimited longevity. Current disadvantages are comparatively less power and a need for more sophisticated electronics. Flow batteries are normally considered for relatively large (1 kWh – 10 MWh) stationary applications, including: load balancing, storing energy from renewable sources, peak shaving, UPS, power conversion, electric vehicles and stand-alone power system.


Top 10 Corporate Owners


 
Issued Patent Count   
 
Published Application Count

Corporation Patents and Published Applications Count
1. Sumitomo Corporation
 
 
129
2. Lockheed Martin
 
 
106
3. United States Of America, The, As Represented By The Secretary Of Agriculture
 
 
82
4. Imergy Power Systems, Inc.
 
 
49
5. Lg Chem Ltd.
 
 
42
6. United Technologies
 
 
40
7. Samsung Electronics., Ltd.
 
 
31
8. Primus Power Corporation
 
 
29
9. Vrb Energy Inc.
 
 
28
10. Unienergy Technologies, Llc
 
 
28




Category and Tag Distribution

Category and Tags Patents and Published Applications
  • Methods
  •  
    131
    70 Synthesis, 61 Operating
  • Physical
  •  
    462
    101 Stack Configuration, 98 Control system, 95 Circulation, 88 Cell Configuration, 37 Leaks, 37 Bipolar plate, 6 Storage
  • Primary Chemistry
  •  
    758
    162 Membrane, 141 Electrode, 137 Inorganic, 102 Electrolyte Balance, 102 Organic, 73 Coordination compounds, 41 Semi-solid
  • Secondary Chemistry
  •  
    150
    116 Mediators, 34 Current


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    September 11, 2019






    Recent Published Activity in Energy Storage: Flow Batteries as of January 29, 2020