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The most practical way of storing hydrogen gas for fuel cell vehicles is to use a composite overwrapped pressure vessel. Depending on the driving distance range and power requirement of the vehicles, there can be various operational pressure and volume capacity of the tanks, ranging from passenger vehicles to heavy-duty trucks. The current commercial hydrogen storage method for vehicles involves storing compressed hydrogen gas in high-pressure tanks at pressures of 700 bar for passenger vehicles and 350 bar to 700 bar for heavy-duty trucks. In particular, hydrogen is stored in rapidly refillable onboard tanks, meeting the driving range needs of heavy-duty applications, such as regional and line-haul trucking.
Storage Technologies | Volumetric Density (kg H2/m3) | Gravimetric Density (Reversible) (wt.%) | Operating Pressure (bar) | Operating Temperature (K) | Cost * (USD/kg H2) |
---|---|---|---|---|---|
Compressed gas (H2) | 17–33 | 3–4.8 (system) | 350 and 700 | ambient | 400–700 * |
Cryogenic (H2) | 35–40 | 6.5–14 (system) | 1 | 20 | 200–270 * |
Cryo-compressed (H2) | 30–42 | 4.7–5.5 (system) | 350 | 20 | 400 |
High pressure—solid | 40 | 2 (system) | 80 | 243–298 | |
Sorbents (H2) | 20–30 | 5–7 (material) | 80 | 77 | |
Metal hydrides (H) | <150 | 2–6.7 (material) | 1–30 | Ambient-553 | >500 |
Complex hydrides (H) | <120 | 4.5–6.7 (material) | 1–50 | 423–573 | 300–450 * |
Chemical hydrides (H) | 30 | 3–5 (system) | 1 | 353–473 | 160–270 ** |
Type I | Type II | Type III | Type IV | Type V | |
---|---|---|---|---|---|
Schematic [32] |
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Composition | All Metal | Metal Liner with Composites Layer | Metal Liner with Full composites Overwrapped | Metal Liner with Full composites Overwrapped | Full Composites |
Tank price (USD/kg) |
++ (83) |
+ (86) |
− (700) |
− (633) |
− |
Gravimetric capacity | − | - | + | ++ | ++ |
Composite layers load sharing | 45% load bearing | 80% load bearing | 100% load bearing | 100% load bearing |
Hyundai NEXO (2018) [34][35][36][37] |
Hyundai ix35(2013) [36][38] |
Toyota MIRAI II (2021) [39][40][41][42][43] |
Honda Clarity (2016) [44][45][46] |
Mercedes Benz GLC (2017) [47][48][49] |
|
---|---|---|---|---|---|
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Pressure (bar) | 700 | 700 | 700 | 700 | 700 |
Tank volume (liter) | 156.6 (52/52/52) |
140 (36/104) |
142.2 (52/25.3/64.9) |
141.3 (24/117) |
117 (unknown) |
Tank capacity (H2 kg) | 6.33 | 5.64 | 5.6 | 5.46 | 4.4 |
Tank weight (kg) estimation |
111 kg (37/37/37) |
104 kg (36/104) |
unknown | unknown | unknown |
Gravity capacity | 7.18 wt% | 6.43 wt% | 5.7 wt% | unknown | 5.64 wt% |
Driving range(km) | 609 | 415 | 650 | 589 | 478 |
Tank type | Type IV | Type IV | Type IV | Type III | Type IV |
Liner materials | PA6 | HDPE | PA 6 | aluminum | unknown |
Winding process | wet | wet | unknown | unknown | unknown |
Hyundai XCIENT (36 t) (2019) [58][59][60] |
Hyzon Hymax (24 t) [61] |
Daimler GenH2 [62] |
DAF-VDL H2 Share Project (27 t) (2020~) [54] |
MAN (35 t) [63] |
Scania (27 t) (2019~) [64] |
|
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Operator | COOP | - | Testing | - | COOP | Akso |
Pressure (bar) | 350 | 350 | Liquid | 350 | 350 | 350 |
Range (km) | 400 | 400 | 1000 | 400 | 400 | 500 |
Tank Capacity (H2 kg) | 31 [60] | 30 | 80 | 30 | 31 | 33 |
No. of Tanks/Type | 7/IV | 10/Unknown | 2/Liquid | Unknown | 7/III | Unknown/IV |
Manufacturer | Type [65] |
Pressure (bar) |
Water Volume (liter) |
Application |
---|---|---|---|---|
Advanced Structural Technologies, Inc. [66] | III | 350–517 | 290–540 | Off-road, mining, construction, marine, rail |
Liaoning Alsafe Technology [67] | III | 350–700 | 3–180 | Hydrogen, medical, SCUBA, etc. |
AMS composites cylinders [68] | III | 300 | 1–10 | Oxygen, UAV |
Avanco (Hexagon) [69] | IV | 300–381 | 350 | Distribution, train |
Cylinders Holding [70] | I | 300 | 166 | Trailer, container |
CATEC [71] | IV | 275 | 30~53 ft trailer | trailer |
EKC [72] | IV | 245 | 148–324 | Medical, industrial, truck |
Faber Industries [73] | I, II, III, IV | 200–1100 | SCBA, hydrogen, CNG, food, etc. | |
Hexagon Purus [74] | IV | 250–950 | 193–1745 | Stationary, distribution, etc. |
Hanhwa [75][76] | IV | 350–700 | 10.8–2078 | Passenger cars, buses, and trucks |
IlJin Hysolus [77] | IV | 700 | 500 | Transport, mobility |
Infinite composites [78] | V | 310 | 325 | Spacecraft applications |
Luxfer [79] | I, II, III | 90–350 | 0.8–2250 | SCBA, specialty, medical. CO2, aerospace |
Mahytec [80] | IV | 60–500 | 300–850 | Stationary storage |
Nproxx [81] | III, IV | 100–700 | - | Stationary, railroad, passenger car |
Plastic Omnium [82] | IV | 200–700 | - | Passenger car, truck |
Quantum Fuel systems [83] | IV | 350–700 | 26–994 | Passenger car, truck, bus, transportable, aerospace |
Steelhead composites [84] | III, IV | 200–700 | 90–270 | Storage and transport |
Faurecia Ullit [85] | IV | 350–700 | 120–691 | Heavy truck |
Toyoda Gosei [86] | IV | 700 | 25.3–64.9 (w/o truck) | Passenger vehicle, truck |
Voith composites [87] | IV | 700 | 350 | Heavy-duty trucks |
Wiretough [88] | II (wire) | 350–700 | 765–1750 | Ground storage |
Jiangsu Guofu Hydrogen Energy Equipment Co., Ltd. [89][90] | III | 350 | 59–140 | Passenger car, bus, logistic vehicle |
Sinoma Science and Technology Co., Ltd. [89][91][92] | III | 350–700 | 28–320 | Bus, UAM |