From acfbf102af1ef8c2c87e7a03a086de85d1d14281 Mon Sep 17 00:00:00 2001 From: romainsacchi Date: Sun, 14 Jul 2024 15:52:09 +0200 Subject: [PATCH] Update docs on batteries. --- docs/transform.rst | 53 +++++++++++++++++++++++++++------------------- 1 file changed, 31 insertions(+), 22 deletions(-) diff --git a/docs/transform.rst b/docs/transform.rst index 78c3d449..45fa042d 100644 --- a/docs/transform.rst +++ b/docs/transform.rst @@ -16,32 +16,41 @@ to reflect progress in specific energy density (kWh/kg cell). The table below shows the **current** specific energy density of different battery technologies. -| Type | Specific energy density (current) [kWh/kg cell] | BoP mass share [%] | Battery energy density [kWh/kg battery] | kg battery/kWh | kg CO2-eq./kWh | -|----------------------|--------------------------------------------------|--------------------|-----------------------------------------|----------------|----------------| -| Li-ion, NMC111 | 0.15 | 73% | 0.11 | 9.2 | 177 | -| Li-ion, NMC811 | 0.22 | 71% | 0.16 | 6.4 | 108 | -| Li-ion, NCA | 0.25 | 71% | 0.18 | 5.6 | 100 | -| Li-ion, LFP | 0.14 | 73% | 0.10 | 9.8 | 118 | -| Li-ion, LiMn2O4 | 0.13 | 80% | 0.10 | 9.6 | 92 | -| Li-ion, LTO | 0.09 | 64% | 0.06 | 18.8 | 450 | -| Li-sulfur, Li-S | 0.15 | 75% | 0.11 | 8.9 | 352 | -| Li-oxygen, Li-O2 | 0.31 | 64% | 0.20 | 5.1 | 125 | -| Sodium-ion, SiB | 0.16 | 75% | 0.12 | 8.5 | 72 | +====================== ==================================== ==================== ================== ================= =================== +Type Specific energy density (current) BoP mass share [%] Battery energy kg battery/kWh kg CO2-eq./kWh + [kWh/kg cell] density [kWh/kg + battery] +====================== ==================================== ==================== ================== ================= =================== +Li-ion, NMC111 0.15 73% 0.11 9.2 177 +Li-ion, NMC811 0.22 71% 0.16 6.4 108 +Li-ion, NCA 0.25 71% 0.18 5.6 100 +Li-ion, LFP 0.14 73% 0.10 9.8 118 +Li-ion, LiMn2O4 0.13 80% 0.10 9.6 92 +Li-ion, LTO 0.09 64% 0.06 18.8 450 +Li-sulfur, Li-S 0.15 75% 0.11 8.9 352 +Li-oxygen, Li-O2 0.31 64% 0.20 5.1 125 +Sodium-ion, SiB 0.16 75% 0.12 8.5 72 +====================== ==================================== ==================== ================== ================= =================== And the table below shows the **projected** (2050) specific energy density of different battery technologies. -| Type | Specific energy density (2050) [kWh/kg cell] | BoP mass share [%] | Battery energy density [kWh/kg battery] | kg battery/kWh | -|----------------------|----------------------------------------------|--------------------|-----------------------------------------|----------------| -| Li-ion, NMC111 | 0.2 | 73% | 0.15 | 6.9 | -| Li-ion, NMC811 | 0.5 | 71% | 0.36 | 2.8 | -| Li-ion, NCA | 0.35 | 71% | 0.25 | 4.0 | -| Li-ion, LFP | 0.25 | 73% | 0.18 | 5.5 | -| Li-ion, LiMn2O4 | 0.2 | 80% | 0.16 | 6.3 | -| Li-ion, LTO | 0.15 | 75% | 0.11 | 8.9 | -| Li-sulfur, Li-S | 0.5 | 75% | 0.38 | 2.7 | -| Li-oxygen, Li-O2 | 0.50 | 64% | 0.20 | 5.1 | -| Sodium-ion, SiB | 0.22 | 75% | 0.17 | 6.1 | +====================== ==================================== ==================== ================== ================ +Type Specific energy density (2050) BoP mass share [%] Battery energy kg battery/kWh + [kWh/kg cell] density [kWh/kg + battery] +====================== ==================================== ==================== ================== ================ +Li-ion, NMC111 0.2 73% 0.15 6.9 +Li-ion, NMC811 0.5 71% 0.36 2.8 +Li-ion, NCA 0.35 71% 0.25 4.0 +Li-ion, LFP 0.25 73% 0.18 5.5 +Li-ion, LiMn2O4 0.2 80% 0.16 6.3 +Li-ion, LTO 0.15 75% 0.11 8.9 +Li-sulfur, Li-S 0.5 75% 0.38 2.7 +Li-oxygen, Li-O2 0.50 64% 0.20 5.1 +Sodium-ion, SiB 0.22 75% 0.17 6.1 +====================== ==================================== ==================== ================== ================ + For example, in 2050, the mass of NMC811 batteries (cells and Balance of Plant) is expected to be 0.5/0.22 = 2.3 times lower. The report of changes will show the new mass