Electrolyzer water electrolysis electrodes and composite membrane s
Equipped with world-class R&D facilities, YIHO has established a systematic and independent R&D system covering materials to equipment.
Our electrolyzer cells and core materials have undergone over 400,000 hours of testing, resulting in two generations of high-efficiency electrode technology and the development of high-performance composite membranes. 
Our products have superior parameters and are highly reliable. We have already established large-scale production capabilities for our core materials.

 

 

High-efficiency water electrolysis hydrogen production electrolyzer
YIHO offers a series of alkaline electrolyzers with capacities ranging from 0.5 to 2000 Nm³/h. To cater to various hydrogen production scenarios, we provide two product series: E and C.

 

Product series		Series E	Series C
Application Scenarios		grid electricity/off-peak electricity hydrogen production	off-grid hydrogen production from wind/solar power
Product Features	Economical	low DC power consumption	rapid cold start
	Safe	long-term stable operation	high current density
	Efficient	rapid cold start	wide response range

 

Low-energy Hydrogen Production Series (suitable for stable power sources)

Capacity (Nm3/h)	Model	Weight (T)	DC power Consumption (kWh/Nm3)	Cold start Period (Min.)	Load Range (%)	Working Pressure (Mpa)	Working Temperature (℃)
2	CY1-2E	0.55	≤4.0	≤1	25-150	1.6/3.2	95±5
5	CY1-5E	1.2
10	CY1-10E	1.5
20	CY1-20E	3.2
30	CY1-30E	3.6
50	CY1-50E	4.3
80	CY1-80E	7.2				1.6
100	CY1-100E	8
200	CY1-200E	12	≤4.0	≤15	25-150	1.6	95±5
300	CY1-300E	22
400	CY1-400E	26
500	CY1-500E	30
800	CY1-800E	35
1000	CY1-1000E	38
1200	CY1-1200E	42

High-current Density Hydrogen Production Series(suitable for fluctuating renewable energy sources）

Capacity (Nm3/h)	Model	Weight (T)	DC power Consumption (kWh/Nm3)	Cold start Period (Min.)	Load Range (%)	Working Pressure (Mpa)	Working Temperature (℃)
2	CY1-2C	0.45	≤4.3	≤1	15-150	1.6/3.2	95±5
5	CY1-5C	0.6
10	CY1-10C	1.2
20	CY1-20C	1.5
30	CY1-30C	1.8
50	CY1-50C	3.4
80	CY1-80C	3.9				1.6
100	CY1-100C	4.3
200	CY1-200C	8	≤4.3	≤15	15-150	1.6	95±5
300	CY1-300C	10
400	CY1-400C	18
500	CY1-500C	20
800	CY1-800C	26
1000	CY1-1000C	28
1200	CY1-1200C	31

 

Integrated solution for electrolytic water hydrogen production system
Based on our standard product offerings, we provide customized hydrogen system solutions tailored to different hydrogen production scenarios and customer needs
• Our solutions improve renewable energy utilization, 
• Reduce overall hydrogen production costs, 
• Optimize space utilization, 
• Offer the best return on investment,
• Collaborate with upstream and downstream industry partners to provide integrated solutions.

Applications fields:

• Off-grid renewable hydrogen production

 

• Hydrogen-based marine fuel production 

 

• Chemical coupling of green hydrogen

• Integrated hydrogen production and refueling station

 

• Offshore wind-powered hydrogen production

 

• Green hydrogen in metallurgy 

 

Customized post-processing system for a 1000Nm3/h electrolyzer.

 

Module	Parameters	1 VS 1	4 VS 1
H2 Gas-Liquid Separation Device	H2 Processing Capacity (Nm3/h)	1100（1200）	4400（4800）
	Working Pressure (Mpa)	1.6
H2 Purification Device	H2 Processing Capacity (Nm3/h)	1100（1200）	4400（4800）
		≥99.999
	Dew point℃	≤-50
	Output Pressure	1.6
	Regeneration method: three-tower process, product hydrogen regeneration, zero emissions

 

Water electrolysis hydrogen production test system 
We have established a 12MW multi-functional electrolyzer test base, one of the most powerful electrolyzer testing facilities in China. The test base is now fully operational, capable of testing systems with a maximum current of DC 12,000A and 840V. It is equipped with a 2500Nm³/h hydrogen production system and a power system testing capability. The testing conditions of the base have been highly recognized by third-party authoritative testing institutions. 
Product development requires feedback from operational data. Testing new products is essential. The test base will provide strong support for the development of our own products and technological iterations. 
We are building a hydrogen testing service platform to provide important support for industry standard development and offer product testing services to more hydrogen energy companies.

Comprehensive DC power supply solutions for hydrogen electrolyzers.
Applications fields:
• Grid-tied: Grid power, hybrid (grid + renewables)
• Off-grid: AC grid, DC grid
• DC power supply products: SCR rectifier, IGBT rectifier

 

 

DC supply voltage	DC 1050V
Technical solution	Three-phase PWM chopper with filter
Output voltage	Adjustable from 0 - 0.98Udc
Output current	750A for Type 1 module, 3600A for Type 2 module
Module paralleling	Up to 32 modules can be paralleled
Cooling:	Water/wind cooling
Multi-module interleaving	Supported

 

Specifications	DC 12000
Rated voltage	Adaptable 200V-600VAC 3PH 50/60Hz (corresponding to 0-1.35Uac VDC output)
Rated current	12000A DC
Dimensions	2200*1000*2000(WxDxH)
Operation Mode	12 /24-pulse rectification
Cooling	Water cooling
Voltage and current Control	Dual-loop control with input signal ramp function and hardware safety interlock
Control corresponding period	Less than 0.5ms, output signal delay 1/6 power cycle
Communication mode	Modbus-RTU/Modbus-TCP, others optional
HMI	Graphical HMI with real-time display of voltage, current, power, and control parameter settings

 

 Gas-Liquid Separation Device & Purification Device

 

100-1500Nm3/h Gas-Liquid Separation Parameters

1	H2 output	100-1500Nm³/h（Rated）
2	O2 output	50-750Nm³/h（Rated）
3	H2 purity	≥99%
4	O2 purity	≥98.5%
7	Pressure	0.8-1.6Mpa(G), adjustable
8	Temperature	≤100℃

 

100-1500Nm3/h Gas-Liquid Separation Device Specifications

Serial No.	H2 output	Dimensions (m)	Weight (T)
1	100 Nm³/h	4*2*2.8	4.2
2	200 Nm³/h	4.7*2.4*2.8	4.7
3	1000 Nm³/h	5.5*3.5*6	22.5
4	1500 Nm³/h	6*3.5*6	25.5

 

100-4000Nm3/h Purification Device Parameters

1	H2 purity	≥99.999%
2	H2 output	100-4000Nm3/h
3	Dew point	≤-55℃
4	Dust	＜1.0um
5	Temperature	≤40℃
6	Pressure	1.55Mpa

 

100-4000Nm3/h Purification Device Sepecifications

Serial No.	H2 output	Dimensions (m)	Weight (T)
1	100 Nm³/h	1.4*1.2*3	2.2
2	200 Nm³/h	3*2.4*2.8	3.2
3	1000 Nm³/h	4.8*2.2*3.5	11
4	1500 Nm³/h	5*2.5*4	15
5	4000Nm³/h	7.6*6*7.8	33
6	6000Nm³/h	7.6*6*7.8	46