Vanadium Redox Flow Battery System All Vanadium ion solution Commercial ESS 125KW 500kwh VRFB Energy storage battery system
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- Supplier: Guangzhou Renepoly Energy Technology Co. Ltd.Guangzhou Ltd.
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Product Overview
Description
Products Description
Vanadium Flow Batteries (VFB) Energy Storage System brief introduction.
The design power of this product is 125kW, and it adopts container integrated reactor, capacity unit (electrolyte storage tank), electrolyte circulation system, power distribution system, BMU unit, and external DC output, which can be used as the basic unit of MW container energy storage system.
Manufacturing Technique
vanadium redox flow battery
All vanadium flow battery energy storage power station is a comprehensive energy storage system that integrates stack, electrolyte, pumping system, battery management system, energy management system, temperature control system, and other auxiliary systems, with complete functions. The energy storage power station can discharge for up to 4 to 10 hours or even longer at rated power, and the discharge duration can be achieved by adjusting the amount of electrolyte in the energy storage power station. The energy storage power station can charge and discharge more than the rated power, achieving high-power operation.
Advantages
Vanadium Flow Batteries (VFB) Energy Storage System Advantages
a) Power and energy independence: different from traditional rechargeable batteries, vanadium batteries are used for high-efficiency charging
b) The active material of the fuel cell is stored in the electrolyte barrel outside the vanadium battery stack, so its power and energy are independently adjustable.
c) High power and high energy: increase the number of vanadium battery stacks, and you can increase vanadium batteries at will
d) The battery power has reached the MW level of vanadium batteries in commercial demonstration operations in Japan, Ireland, the United States, and China; increasing the volume of the vanadium battery electrolyte can increase the energy of the vanadium battery arbitrarily, reaching the GWh level.
e) High energy efficiency: the electrode reaction of the vanadium battery is a full liquid phase reaction, and the electrode polarization is small; the positive electrode active material V(V)/V(IV) and the negative electrode active material V(III)/V(II) of the vanadium battery They are separately stored in the positive and negative electrolyte barrels outside the vanadium battery stack to avoid the self-discharge loss of the positive and negative active materials. The charge-discharge energy conversion efficiency of vanadium batteries can reach more than 80%.
f) Fast response speed: the vanadium battery can be started instantly, the charge and discharge switch is less than 20ms, and the response speed is less than 1ms.
g) Instantaneous charging: the vanadium battery can be fully charged instantly by replacing the pre-charged electrolyte.
h) Long cycle life: the active material of vanadium battery exists in the electrolyte.
i) The life is unlimited, there is no phase change that other batteries often have during charging and discharging, and the battery will not be damaged by 100% deep discharge or even positive and negative reverse charging. The Vanadium battery charge and discharge cycle life of Dahua Institute exceeded 10,000 times, the SEI vanadium battery exceeded 16,000 times, and the VRB Power Systems vanadium battery exceeded 18,000 times. The charge-discharge cycle life of vanadium batteries should be more than 20,000 times, which is much higher than traditional lead-acid batteries and lithium-ion batteries.
j) High safety and reliability: vanadium batteries have no potential explosion or fire hazard, even if they are charged
k) There is no danger when the fully charged positive and negative electrolytes are mixed directly, but the temperature of the electrolyte increases by 20~30℃.
l) Low lifetime cost: vanadium battery stack components are mostly cheap carbon materials and engineering plastics, which are rich in material sources, easy to recycle, and do not require precious metals as electrocatalysts; vanadium battery perfluorinated ion membranes can be cast by our company’s solution casting method Patented technology realizes recycling; the service life of vanadium battery electrolyte is unlimited. The lifetime cost of vanadium batteries is much lower than that of traditional lead-acid batteries and lithium-ion batteries.
m) Large location freedom, fully automatic closed operation, environmental protection and pollution-free, simple maintenance, low operating cost
b) The active material of the fuel cell is stored in the electrolyte barrel outside the vanadium battery stack, so its power and energy are independently adjustable.
c) High power and high energy: increase the number of vanadium battery stacks, and you can increase vanadium batteries at will
d) The battery power has reached the MW level of vanadium batteries in commercial demonstration operations in Japan, Ireland, the United States, and China; increasing the volume of the vanadium battery electrolyte can increase the energy of the vanadium battery arbitrarily, reaching the GWh level.
e) High energy efficiency: the electrode reaction of the vanadium battery is a full liquid phase reaction, and the electrode polarization is small; the positive electrode active material V(V)/V(IV) and the negative electrode active material V(III)/V(II) of the vanadium battery They are separately stored in the positive and negative electrolyte barrels outside the vanadium battery stack to avoid the self-discharge loss of the positive and negative active materials. The charge-discharge energy conversion efficiency of vanadium batteries can reach more than 80%.
f) Fast response speed: the vanadium battery can be started instantly, the charge and discharge switch is less than 20ms, and the response speed is less than 1ms.
g) Instantaneous charging: the vanadium battery can be fully charged instantly by replacing the pre-charged electrolyte.
h) Long cycle life: the active material of vanadium battery exists in the electrolyte.
i) The life is unlimited, there is no phase change that other batteries often have during charging and discharging, and the battery will not be damaged by 100% deep discharge or even positive and negative reverse charging. The Vanadium battery charge and discharge cycle life of Dahua Institute exceeded 10,000 times, the SEI vanadium battery exceeded 16,000 times, and the VRB Power Systems vanadium battery exceeded 18,000 times. The charge-discharge cycle life of vanadium batteries should be more than 20,000 times, which is much higher than traditional lead-acid batteries and lithium-ion batteries.
j) High safety and reliability: vanadium batteries have no potential explosion or fire hazard, even if they are charged
k) There is no danger when the fully charged positive and negative electrolytes are mixed directly, but the temperature of the electrolyte increases by 20~30℃.
l) Low lifetime cost: vanadium battery stack components are mostly cheap carbon materials and engineering plastics, which are rich in material sources, easy to recycle, and do not require precious metals as electrocatalysts; vanadium battery perfluorinated ion membranes can be cast by our company’s solution casting method Patented technology realizes recycling; the service life of vanadium battery electrolyte is unlimited. The lifetime cost of vanadium batteries is much lower than that of traditional lead-acid batteries and lithium-ion batteries.
m) Large location freedom, fully automatic closed operation, environmental protection and pollution-free, simple maintenance, low operating cost
Product Paramenters
Technical parameters of 125kW energy storage system container | ||
Model | ESM-125/500 | |
Charge and discharge mode | ✔ constant power ✔ constant current ✔ constant voltage | |
✔ Grid-connected (standard) ✔ Off-grid (optional) ✔ Grid-connected and Off-grid switching (optional) | ||
Battery type | Vanadium Redox Battery | |
Power per pack (kW) | 32 | |
Battery Rack Type | 1P4S | |
Electrolyte system/concentration (mol/L) | All-vanadium sulfuric acid system /1.7 | |
Rated capacity（kWh） | 500 | |
Rated power（kW） | 125 | |
Overload capacity (%) | Long-term:110% | |
Battery voltage (V) | 256~397 | |
Depth of discharge | 100 | |
DC side efficiency (%) | ≥80 | |
Life cycles | ≥15000 | |
Communication interfaces | RS485/Ethernet | |
Communication protocols | ModbusTCP/Modbus RTU | |
Fault protection | Current protection, voltage protection, frequency protection, temperature protection, flow protection, pressure protection, Insulation protection, SOC protection, communication fault protection, leakage protection, temperature and humidity protection, fire alarm | |
Operating temperature range | -30~50°C | |
Degree of protection | IP54 | |
Dimensions (W * H * D) | 13716×2438×2991 mm | |
Weight (t) (with electrolyte) | 76 | |
Shipping weight (t)/without electrolyte | 32 | |
Self-use Max. power | 25 | |
Self-use power access | External booster inverter distribution box Dc side fetch (optional) | |
Electrical primary interface | Grid-connected copper bar interface: 3*95+1*50m㎡；Self-use electrical interface: 3*25+2*16m㎡ | |
Electrical secondary interface | RJ45 net opening*1 | |
Inbound and outbound cable mode | Cables go in and out | |
Company Profile
GUANGZHOU RENEPOLY ENERGY TECHNOLOGY CO.，LTD
Renepoly is dedicated to secure our customer an economic and stable energy supply system. We integrate renewable energy sources to create microgrid and polygeneration one-stop solutions Renepoly outstands itself in the following service lines:
2. Sophisticated expert in technical consultancy to renewable energy systems: microgrid,battery storage system, hydrogen gener-ation system, hydrogen driven fuel cells and polygeneration system.
3. High standard engineering consultancy services to renewable energy investment and construction project；proiect lifecycle man-agement service( from proiect feasibility study contracts preparation to due diligence& project testing and commissioning).
1.The creative manufacturer of classic container & modular batery storage system and intelligent energymanagement system
2. Sophisticated expert in technical consultancy to renewable energy systems: microgrid,battery storage system, hydrogen gener-ation system, hydrogen driven fuel cells and polygeneration system.
3. High standard engineering consultancy services to renewable energy investment and construction project；proiect lifecycle man-agement service( from proiect feasibility study contracts preparation to due diligence& project testing and commissioning).
Project cases
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