| Parameters | Mechanical | Electrochemical | Electrical | Hydrogen | Thermal | PHS | FES | CAES | Pb-A | Ni-Cd | Na-S | NaNiCl2 | Li-ion | VRFB | SCES | SMES |
| Power range (MW) | 10–5000 [99–102] 1000–3000 [103] | 0.1–20 [99] < 0.25 [104] 0–0.25 [100, 102] 0.01–0.25 [105] 0–1.65 [106] 0–10 [103] | 5–1000 [99] 5–300 [100–102] 100–3000 [103] 50–350 [91] | 0–40 [99] 0–20 [100, 101] 0.05–10 [91] | 0–40 [99, 101] | 0.05–34 [99] 0.05–8 [101] | 0–3 [102] 0.05–2 [101] | 0–100 [99] 0–1 [100] 0–0.1 [101] 0.015–50 [91] | 0.3–3 [100] | 0–0.3 [100, 101] | 0.1–10 [100, 101] | 0–50 [101] 0.1–15 [91] | 50–250 [91] | Energy density (Wh/l) | 0.5–1.5 [100, 102, 105] | 20–80 [102, 104] | 3–6 [100–102] | 50–80 [100, 101] 50–100 [107] | 60–150 [99, 101] | 150–250 [100, 102] | 150–180 [102] | 200–500 [101, 102] 200–350 [107] | 16–33 [100] 20–70 [108] | 2.5–15 [102] 2–10 [107] | 0.2–2.5 [102] | — | — | Power density (W/l) | 0.5–1.5 [104, 109] | 1000–2000 [102, 104] | 0.5–2 [100, 101] | 10–400 [100, 101] | 150–300 [99] | 150–230 [100, 102] | 220–300 [102] | 500–2000 [102] | 0.5–2 [108] | 500–5000 [102] | 1000–4000 [102] | — | — | Round trip efficiency (%) | 75–85 [99], 65–87 [100, 102] 70–85 [105] | 93–95 [99] 90–95 [105] 90–93 [109] | 70–89 [99] 50–89 [100, 101] 70–79 [109] | 70–90 [99] 75–80 [100] | 60–65 [99] 85–90 [100] | 85–90 [99] 80–90 [100, 102] | 85–90 [102] | 85–90 [100, 102] ∼90–97 [104] | 85–90 [100] 75–82 [109] | 90–95 [100, 102] 95–98 [109] | 95–98 [100, 102] 95 [109] | 35–40 [91] | 14–18 [91] | Discharge time (ms-hr) | 1–24 hr+ [99, 100, 102, 105] | Ms–15 min [99, 102, 105] | 1–24 hr+ [99, 100, 102] | Sec-hr [99–101] | Sec-hrs [100] | Sec-hr [99, 100, 102] | Sec–h [102] | Min–hr [99, 100, 102] | Sec-10 hrs [100] | Ms–hr [99] | Ms–8 sec [99] | 12+ [91] | 1–24+ [101] | Response time (ms-h) | sec-min [99] min [104, 105] 1-2 min [100] | <4 ms-sec [99], sec [105] | 1–15 min [99], 1-2 min [100] | 5–10 ms [99], sec[100] | 20 ms-sec [99], sec [100] | 1 ms [99]Sec [100] | <sec [108] | 20 ms-s [99] | Sec [100] | 8 ms [99] | <100 ms [99] | — | — | Lifetime (yr) | 40–60 [99, 101, 102, 104] | 15 + [99], 15 [100–102] | 20–40 [99] | 3–15 [99], 5–15 [100, 101] | 10–20 [99, 100] | 10–15 [99, 100, 102] | 10–14 [102] | 5–15 [99, 100] | 5–10 [100] | 20+ [99, 100] | 20+ [99, 100] | — | — | Daily self discharge (%) | Very small [100, 104] 0.00 [110] | 100 [101] 24–100 [110] | Small [101, 104] 0.00 [110] | 0.1–0.3 [100, 101] 0.033–1.10 [110] | 0.2–0.6 [100, 101] 0.07–0.71 [110] | 20 [100, 102, 110] | 11.89–26.25 [110] | 0.1–0.3 [100, 101] 0.03–0.33 [110] | Small [100] | 20–40 [99, 100] 0.46–40 [110] | 10–15 [99, 100] 1–15 [110] | 0 [91] | 0.05–1 [101] | Power cost $ (kW) | 2000–4300 [99] 600–2000 [100, 102] 500–2000 [105] | 250–350 [99, 100, 102] 271–380 [111] | 400–1000 [99] 400–800 [102] 1411–1628 [111] | 300–600 [99, 101] 200–300 [100] 326–651 [111] | 500–1500 [99] | 1000–3000 [99, 101, 102], 380–3256 [111] | 150–300 [102] | 900–4000 [99] 10200–4000 [100, 101] 1303–4342 [111] | 600–1500 [100] 651–1628 [111] | 100–450 [99] 271–480 [111] | 200–489 [99] 200–300 [101] 217–326 [111] | 540–4809 [91] | — | Energy cost $ (kWh) | 5–100 [99–101, 109] 1–291.20 [110] 217–271 [111] | 1000–14,000 [99] 500–1000 [100] 1000–5000 [101, 102]200–150,000 [110] 1085–5427 [111] | 2–120 [99] 2–50 [101] 1–140 [110] 217–271 [111] | 200–400 [99, 101, 110] 120–150 [100] 50–1100 [110] 54–337 [111] | 400–2400 [99] 800–1500 [104] 330–3500 [110] | 300–500 [99, 101] 150–900 [110] 326–543 [111] | 100–200 [102] 100–345 [110] | 600–3800 [99] 300–1300 [100] 2000–4000 [110]651–2714 [111] | 150–1000 [100] 100–2000 [110] 190–1085 [111] | 300–2000 [99] 100–94,000 [110] | 1000–10,000 [101] 5000–1,080,000 [110] 1085–10854 [111] | 2–15 [91] | — | Environmental impact | High/medium [99–101, 110] | Very low [99–101, 110] | Medium/low [99–101, 110] | High [100, 101, 110] | High [100, 110] | High [100, 110] | Medium/low [110] | Medium/low [100, 110] | Medium/low [100, 110] | Very low [100, 110] | Low [100, 110] | — | — | Specific power (W/kg) | — | — | — | 75–300 [91] 180 [106] | | 150–230 [91] 150–240 [106] | 150–200 [91] 174 [106] | 150–315 [91] 500–2000 [106] | 80–150 [106] | ∼100,000 [91] | — | — | — | Specific energy (Wh/kg) | 0.5–1.5 [101] | 10–30 [101] 5–80 [91] | 30–60 [101] | 35–50 [91] 30–50 [101] | 50–75 [101] 45–80 [91] | 175 [91] 150–240 [101] | 70–90 [91] | 75–200 [101] 120–200 [91] | 25–35 [91] 10–30 [101] | 0.05–5 [91] | — | 400–1000 [91] | 80–200 [101] | Technology maturity | Very mature/fully commercialized [99, 104, 105, 110] | Mature/commercializing [100, 102, 104, 105, 110] | Proven/commercializing [100, 110] | Very mature/fully commercialized [104, 105, 110] | Very mature/fully commercialized [99, 100, 110] | Proven/commercializing [99, 100, 110] | Proven/commercializing [102, 110] | Proven/commercializing [99, 100] | Proven/commercializing [100, 110] | Proven/commercializing [99, 110] | Proven/commercializing [99, 110] | Proven [106] | Proven [106] |
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